29% discount
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3
Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure
Kidde Smart Smoke and Carbon Monoxide Detector, Ring App Enabled for Real-Time Notifications, Hardwired Alarm, AA Backup Battery
Double the Detection Alerts you to both smoke and carbon monoxide (CO)
First Alert SC5 Battery Smart Smoke & Carbon Monoxide Alarm, SMCO600NV, 1-Pack
Compatible with Google's Nest Protect Alarm
First Alert SC5 Hardwire Smart Smoke & Carbon Monoxide Alarm, SMCO600NV-AC, 1-Pack
Compatible with Google's Nest Protect Alarm
15% discount
First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and Carbon Monoxide Detector with Slim Profile Design
Reliable Detector The First Alert SMCO210 Sealed 10-Year Battery Combo Smoke and CO alarm provides reliable 2-in-1 protection against both smoke and carbon monoxide in an easy to install detector
Kidde Carbon Monoxide Detector with 10-Year Battery, 3 LEDs, Replacement Indicator, Test-Reset Button
Electrochemical sensor technology detects CO gas
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
First Alert CO606, Plug-In Carbon Monoxide (CO) Detector, Hardwired Alarm with Battery Backup, 3-Pack
Keep your family safe from carbon monoxide in multiple rooms with this convenient plug in carbon monoxide alarm 3 pack; The alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there's a power failure
SimpliSafe Smoke & Carbon Monoxide Detector
Instant alerts - even when you re not home - Get alerted to dangerous levels of smoke or CO in your home in real time on your phone with the SimpliSafe app.
X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display, Certified to UL 217 9th Edition, Standalone Model SC07, 1-Pack
Please Note SC07 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC07-W
10% discount
First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector with Slim Profile Design, SMCO200, 1-Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Kidde Carbon Monoxide + Explosive Gas, Natural Gas & Propane Alarm, Plug-in with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status Indicators, 3rd Edition
Easy Installation - simply plug-in to a standard, 120V outlet in your home
First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack
Hardwired CO smoke alarm features battery backup for constant monitoring
Safe T Alert - Dual LP/CO Alarm - Flush Mount Black - 35-742-BL
DUAL PROPANE & CO DETECTION Patented Double-Duty Alarm upgrades your RV s safety by combining Propane Gas and Carbon Monoxide detection in one unit. Replaces single 12V propane alarms without extra wiring or modifications.
18% discount
First Alert BRK SMICO110, 10-Year Battery Combination Smoke & Carbon Monoxide Alarm, 1-Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
First Alert SMCO210, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm with Slim Profile Design, 1-Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
Kidde Smart Smoke and Carbon Monoxide Detector, Ring App Enabled for Real-Time Notifications, Wire-Free Interconnectivity, AA Battery Powered
Double the Detection Alerts you to both smoke and carbon monoxide (CO)
FIRST ALERT CO400-3 Carbon Monoxide Detector, Battery Operated, White , 3-Pack -CO400-3
Keep your family safe with this 3-Pack of easy to use, battery operated carbon monoxide alarms; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
7% discount
Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 1 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology engineered for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
5% discount
X-Sense Smoke Detector Carbon Monoxide Alarm Combo, 10-Year Non-Replaceable Battery, Not Hardwired, UL 217 & UL 2034 Certified, Model XP0H-SN, 1-Pack
Please Note The XP0H-SN is a basic standalone unit; does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for an interconnected version, search for XP0H-WN
Kidde Carbon Monoxide Detector, Plug-in with AA Battery Backup, Easy-to-Read Digital Backlit Display, 85 dB Alarm, Rotating Plug, LED Status Light Indicators, 5th Edition, COPD
DETECTS CARBON MONOXIDE With backlit display that shows CO levels & sounds a loud 85 dB alarm when CO is detected to signal evacuation; sleep peacefully with no nighttime chirps; LED warning light indicates hazard; Test Hush button for quick checks
First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display , White
Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
Kidde Hardwired Carbon Monoxide Detector with 9-Volt Battery Backup, 3 LED Indicators
Electrochemical sensor technology detects CO gas
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, Voice Alerts, LED Warning Light Indicators, 2 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
Kidde Hardwired Carbon Monoxide Detector with 9-Volt Battery Backup, Digital LED Display 5.75 diameter x 1.8 depth
Carbon monoxide alarm operates on a 120V wired power source with a 9-Volt alkaline battery (included)
TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use
Fast and Accurate The TOPTES CT-580 Carbon Monoxide Detector is a manual inspection tool equipped with a high-sensitivity, high-accuracy DDS sensor providing a quick response within 0.3 seconds. It detects CO concentrations from 0 to 1000 PPM and features two alarm thresholds, allowing for rapid assessment of environmental changes
12% discount
Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display - 2 Pack
Easy Installation - simply plug-in to a standard, 120V outlet in your home
First Alert BRK Carbon Monoxide Detector, Hardwired Alarm with Battery Backup, CO5120BN, White
Plastic
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
Easy Installation - simply plug-in to a standard, 120V outlet in your home
Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 1 Pack
2-in-1 DETECTION Model 30CUD10 detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a red LED light for clear visual notification suitable for homes
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 2 Pack
2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
53% discount
2 Packs 6-in-1 Detector, Plug-in with Magnetic Base and Backup Battery, Large LCD Display, Audible/Visual Alarms for Home, Kitchen, Garage and RV
6-in-1 Multi-Function Detector Featuring high-precision sensors and a 3D porous design, this detector provides sensitive and accurate monitoring of temperature, humidity, and other environmental conditions. Built-in rechargeable battery and magnetic base, this portable detector offers continuous, portable safety monitoring and continues to function even during power outages.
10% discount
Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs, Replacement Indicator, Peak Level Memory, 2 Pack
Electrochemical sensor technology detects CO gas & sounds an 85-decibel alarm
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery, Voice Alerts , 1 Count ( Pack of 1)
2 units in 1 unit alerts you to smoke & carbon monoxide by sounding a loud, 85-decibel alarm & sounding voice alerts
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 1 Pack
2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
Kidde Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Indicators, 85 dB Alarm, 5th Edition, COB10
DETECTS CARBON MONOXIDE Model COB10 monitors CO and sounds a loud 85-decibel alarm to signal evacuation to fresh air; LED warning light indicates hazard; test hush button allows quick checks or temporary silencing; replaces model C3010
23% discount
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup, SMICO100-AC, 1-Pack
First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup Smoke Alarm, Interconnectable, LED Warning Light Indicators, 2 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector.
7% discount
Kidde Carbon Monoxide Detector, AA Battery Powered, Detects Low-Level CO, Digital Backlit Display, Portable for Travel or Home, LED Status Indicators, 85 dB Alarm, 5th Edition, COBDL
DETECTS CARBON MONOXIDE Model COBDL monitors CO and sounds a loud 85 dB alarm to signal evacuation to fresh air; LED warning light indicates hazard; Test Hush button allows quick checks or temporary silencing
X-Sense Wireless Interconnected Combination Smoke and Carbon Monoxide Detector, 10-Year Battery Powered Fire and CO Alarm, UL 217 9th Edition Certified, SC06-W, 6-Pack
Please Note SC06-W supports wireless interconnection but does not have Wi-Fi
6% discount
Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnectable, LED Warning Light Indicators, 2 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector
FIRST ALERT SC9120B Corded Electric Combination Alarm with Adapter Plugs for Easy Replacement
Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire
TPI Carbon Monoxide Analyzer Kit: 0 to 10,000 ppm
Choose from a complete line of flue gas and CO analyzers
6% discount
Kidde Smoke Detector & Carbon Monoxide Detector Combo with 10-Year Battery,White
2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
Kidde Smoke and Carbon Monoxide Detector, AA Battery Powered with LED Status Lights, 85 dB Alarm, 5 inches, 30CUDR, 3 Pack
2-in-1 DETECTION Model 30CUDR detects both smoke and carbon monoxide and features advanced sensing technology with over 25% faster smoke detection*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
41% discount
Vilfet 5-in-1 Carbon Monoxide Detectors, Natural Gas Leak Detector, Plug-in & Battery Backup Portable Co Detector, Co Gas Temp Humidity Sensor, HD Display Screen Vilfet, 1-Pcs, Black
5-in-1 Detectors Real-time monitoring of carbon monoxide(PPM), combustible gas (%LEL), temperature( F), humidity(RH%) and Backup Battery.
Kidde Smart Carbon Monoxide Detector & Indoor Air Quality Monitor, Plug-in with AA Battery Backup, Real-Time Notifications, 2.4 GHz Wi-Fi Enabled, Rotating Plug, 85 dB Alarm, 5th Edition, COPDLQW
REAL-TIME NOTIFICATIONS Sends alerts via the Kidde App (no subscription required); monitors indoor air quality, humidity, and TVOC levels; uses 2.4 GHz Wi-Fi; sounds a loud 85-dB alarm when CO is detected
First Alert SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm - 3 Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
First Alert SMICO105-AC, Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup, 3-Pack
First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Kidde Smoke and Carbon Monoxide Detector, Hardwired with AA Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUAR, 1 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology for over 25% faster smoke detection*; features a loud 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
Kidde Carbon Monoxide Detector, AA Battery Powered, Portable for Travel or Home, 85 dB Alarm, LED Status Indicators, 3rd Edition, 6 Pack
Electrochemical sensor technology detects CO gas
29% discount
4 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display
Alarm and LED Indication Smoke and carbon monoxide detector has a real-time smoke and CO concentration on LCD display, once smoke or CO reaches its dangerous level, sensitive carbon monoxide alarm will give out both sound alert and red LED flash alarm, sound will be louder than 85 decibels.
Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, with Voice Alerts, LED Status Lights, 85 dB Alarm, 5 inches, 30CUD10-V, 1 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
Kidde Smart Carbon Monoxide Detector, Plug-in with AA Battery Backup, Real-Time Notifications, 2.4 GHz Wi-Fi Enabled, Rotating Plug, 85 dB Alarm, 5th Edition, COPDW
REAL-TIME KIDDE APP NOTIFICATIONS Get alerted to CO when you re home or away (no subscription required); sounds a loud 85-dB alarm when CO is detected; uses 2.4 GHz Wi-Fi
33% discount
SITERWELL Plug in Carbon Monoxide Detector 10 Year Battery, CO Alarm Detector with Electrochemical Sensor and Sound Warning, AC Powered Portable Carbon Monoxide Detector for Home Office Travel,4-Pack
HIGH ACCURACY Equipped with an advanced electrochemical sensor, this detector accurately detects carbon monoxide levels, full protection for your family. Providing an audible warning in excess of 85 decibels.
33% discount
U UNNI CO2 Monitor Carbon Dioxide Detector for Home, 3 Adjustable Volume for Alerts & 3 Adjustable Backlight, Photoacoustic Sensor for Temperature Humidity & Indoor Air Quality Monitor
CARBON DIOXIDE DETECTOR for HOME, SWITCH C F Great item for any home to monitor the weather and air quality! Real-time CO2 value, temperature and humidity, CO2 history chart, CO2 Concentration range, 3 Adjustable Volume for Alarm Setting & 3 Adjustable Backlight, Max Min Data, Low battery indicator.
28% discount
6 Packs, 2 in 1,Smoke Carbon Monoxide Detector,Carbon Monoxide Detectors/Smoke Alarm,85 dB Alarm,Large Screen Readout,Test Button,Battery Operated, Work State LED Flash,Easy Install
Comprehensive Protection This smoke & carbon monoxide alarms combine the power of two important safety features in one device to protect your family from both smoke and carbon monoxide dangers
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, Voice Alerts, LED Warning Light Indicators
2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup
Superior carbon monoxide sensor and dual ionization smoke alarm
26% discount
3 Packs Plug in Explosive-Gas & Carbon-Monoxide-Detectors,Hembisen 4-in-1 Carbon Monoxide Alarm,Natural Gas Leak Detector with °F & Humidity 4 Sensors for Home,RV,Apartment
3 Packs Upgrade Plug-in Combination Gas & Carbon Monoxide Detector Plug and play, easy to install, 4-in-1 sensor, real-time monitoring display and alarm.
Carbon Monoxide CO Meter by Forensics | USA NIST Calibration | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-1000 ppm |
ACCURATE Carbon Monoxide (CO) gas detector, 0-1000ppm with 1ppm resolution. USA NIST Calibration.
Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 2
Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
18% discount
Smoke and Carbon Monoxide Detector, 2 in 1 Smoke Detector, LED Warning Light Indicators, 10 Year Battery (White), 4 Pack
2-in-1 360 highly sensitive chip, this combination smoke and carbon monoxide detector can detect the threat of these two gases. Not single-function carbon monoxide detectors or smoke detector
7% discount
Kidde Smoke and Carbon Monoxide Detector, 10-Year Battery Powered, LED Status Lights, 85 dB Alarm, 5-inches, 30CUD10, 2 Pack
2-in-1 DETECTION Model 30CUD10 detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a red LED light for clear visual notification suitable for homes
22% discount
Carbon Monoxide Detectors and Natural Gas Detector, 4-in-1 Upgraded Carbon Monoxide Detectors Plug in, Gas Leak Detector with Dual Alarms, Temperature & Humidity Sensor for Home, RV, Black, 2 Packs
Four-in-one Function Detection Carbon monoxide detector and natural gas detector in one, with sensors for CO, gas, temperature, and humidity. Dual sensors and alarms ensure fast, accurate alerts to protect family safety.
5% discount
X-Sense Wireless Combination Smoke and Carbon Monoxide Detector, 10-Year Non-Replaceable Battery, Interconnected Up to 24 X-Sense Link+ Devices, UL 217 & UL 2034 Certified, Model XP0H-WN, 3-Pack
Please Note XP0H-WN supports wireless interconnection but does not have Wi-Fi
Sensorcon Industrial CO Carbon Monoxide Monitor with Visual, Audible and Vibrating Alerts, Waterproof
Designed for industrial and commercial applications. Watch the short video for more information
Kidde Smoke & Carbon Monoxide Detector, AA Battery Powered, LED Warning Light Indicators, 2 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective detector.
New 2025 First Alert SMCO410 Z-Wave Battery-Powered Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, Single Pack, White
First Alert's Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency. Provides reliable 2-in-1 detection against both smoke and carbon monoxide.
Kidde Smoke and Carbon Monoxide Detector, AA Battery Powered with LED Status Lights, 85 dB Alarm, 5 inches, 30CUDR, 4 Pack
2-in-1 DETECTION Model 30CUDR detects both smoke and carbon monoxide and features advanced sensing technology with over 25% faster smoke detection*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
20% discount
2 Pack Smoke and Carbon Monoxide Detector,Smoke Detector Carbon Monoxide Detector Combo with Batteries,Fire Alarm Smoke Detector with Test Button and Digital Display
Two Sensors Carbon monoxide detector smoke alarm has a 2-in-1 dual sensors, photoelectrical and electrochemical sensors. They work separately, no matter which one reaches their dangerous concentraion, combination smoke carbon monoxide alarm detector will go off with red led flashing
HEIMAN Carbon Monoxide Detectors,Interconnected CO Detector 10 Year Battery Operated,UL Listed&UL 2034 5th Certified, Wireless Small Mini Portable CO Alarm for Home Travel Rvs/C1-R 3Pack
Wireless Interconnected - Whole-Home Protection One Starts, All Sounds No Wi-Fi required! The CO detector is different from traditional alarms; these devices "talk" to each other. When one alarm detects CO, every interconnected unit in your home will sound instantly(656 ft range 200 m). This ensures you hear the alert from any room, providing crucial extra seconds for your family to escape. (If you have Heiman other interconnected products, or a gateway you can unify safety across rooms)
20% discount
2 Packs Combination Natural-Gas and Carbon-Monoxide-Detector,Koabbit 4-in-1 CO/LPG/LNG Explosive Gas Detector Alarm with Temperature(°F) & Humidity for Home,RV,Hotel,Apartment
Koabbit 4-in-1 Upgraded Gas & Carbon Monoxide Detector Designed with a large digital display, it detects and displays temperature, humidity,natural gas and carbon monoxide levels in real time for your peace of mind
Kidde Hardwired Smoke & Carbon Monoxide Detector, Battery Backup, Interconnectable, LED Warning Light Indicators
Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
FIRST ALERT Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display, GCO1CN
Versatile CO alarm senses high levels of propane, natural methane gas, and carbon monoxide
20% discount
SUNPOW 6-in-1 Carbon Monoxide Detectors Plug in, Natural Gas Leak Detector with Smoke Alarm and Battery Backup, Combustible Gas Sniffer with Temp & Humidity Monitor for Home/RV/Travel
6-IN-1 PROFESSIONAL PROTECTION Combines carbon monoxide detection, natural gas leak detection, combustible gas detection, smoke monitoring, temperature tracking, and humidity sensing + battery backup in one powerful device. See everything that matters for home safety! Saves space and money versus multiple detectors.
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 1-Pack
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
Kidde Hardwired Kidde App Enabled Smart Smoke and Carbon Monoxide Detector, AA Battery Backup, Voice Alerts, Interconnected Alarm
Double the Detection Alerts you to both smoke & CO
21% discount
Kidde Ultra-Sensitive Carbon Monoxide Detector for Pets, Health, or Medical Conditions, Battery Powered with Digital Display, UNIT
Electrochemical sensor will detect low levels of CO (below 30 PPM) for family members or pets, specifically those who have medical conditions
15% discount
2 Packs Gas & Carbon Monoxide Detectors - Plug in Carbon Monoxide Detector & Propane, Natural Gas Detector, CO Monitor Alarm & Explosive Gas Detector Alarm for Home,RV
2 Packs Upgraded Combination Gas & Carbon Monoxide Detector Plug-and-play, LCD digital display, easy to install.
9% discount
Kesymo Upgraded Smoke and Carbon Monoxide Detector 10-Year Lifespan, Dual Sensor Smoke Alarm & Carbon Monoxide Detector (3 Pack)
Upgraded Dual Sensors, 10-Year Lifespan Equipped with advanced photoelectric smoke and electrochemical CO sensors, this 2-in-1 detector provides faster and more accurate alerts against smoke and carbon monoxide. Unlike ordinary alarms with only 3-year sensors, ours last up to 10 years, giving your home longer-lasting protection from two deadly threats.
5% discount
Sensorcon Inspector Industrial Pro Portable Carbon Monoxide Detector – Fast-Response Intrinsically Safe CO Detector with Adjustable Visual, Audio & Vibration Alerts
Professional-Grade CO Detection Equipped with advanced electrochemical sensor and proprietary embedded software, this portable carbon monoxide sensor (INS-CO-03) delivers accurate, reliable readings of CO concentrations in parts per million (ppm).
Kidde Smoke & Carbon Monoxide Detector, 10-Year Battery Powered, LED Warning Light Indicators, 4 Pack
2-IN-1 DETECTION Alerts you to both smoke & carbon monoxide (CO) using a single, cost-effective device.
Ting Fire Electrical Fire Prevention Sensor & Service - Residential Use Only - 12 Months of Required Service Included - Home Fire Safety
PEACE OF MIND Ting (the sensor and service) is statistically proven to prevent 80% of electrical fires, significantly reducing electrical fire risk in homes. Ting alone cannot eliminate 100% of electrical fire risks.
7% discount
First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 3-Pack
First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
18% discount
Kidde Smoke and Carbon Monoxide Detector, AA Battery Powered with LED Status Lights, 85 dB Alarm, 5 inches, 30CUDR, 1 Pack
2-in-1 DETECTION Model 30CUDR detects both smoke and carbon monoxide and features advanced sensing technology with over 25% faster smoke detection*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
10% discount
Kidde Smoke and Carbon Monoxide Detector, Hardwired with AA Battery Backup, Voice Alerts, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 30CUAR-V, 3 Pack
2-in-1 DETECTION Model 30CUAR-V detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a red LED light for clear visual notification suitable for homes
TopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, for Work, Home - Orange
Quick Detection, Safety First Guard-101 4 gas monitor multi gas detector is designed for rapid detection of 4 types of gases (H2S, CO, LEL, O2). The battery life lasts up to 14 hours, ensuring long-term monitoring of gas concentrations
Kidde Smoke and Carbon Monoxide Detector, AA Battery-Powered, Wire-Free Interconnect, Voice Alerts, LED Status Light 85 dB Alarm, 5-inches, 30CUDR-VRF
2-IN-1 DETECTION WITH VOICE ALERTS Model 30CUDR-VRF detects smoke and CO with advanced sensing technology for over 25% faster smoke detection*; announces "Fire" or "Warning, Carbon Monoxide" and sounds a loud 85-decibel alarm with red LED light
Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, Voice Alerts, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10-V, 1 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a loud 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
Sensorcon Inspector Portable Carbon Monoxide Detector with Visual and Audio Alarms – Waterproof Digital CO Detector for Personal, Ambient, and Combustion Monitoring
Professional-Grade CO Detection Equipped with advanced electrochemical sensor and proprietary embedded software, this portable carbon monoxide sensor (INS-CO-01) delivers accurate, reliable readings of CO concentrations in parts per million (ppm).
SYSTEM SENSOR CO1224T 12/24 volt, 4-wire, system-monitored C02 carbon monoxide detector w/ RealTest Technology
The System Sensor CO1224T CO detector provides early warning of dangerous carbon monoxide levels by using electrochemical sensing technology to measure levels in the air.
Honeywell BW Clip BWC2-M Single Gas CO Monitor
Automated self-test for improved safety
Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display - 4 Pack
Easy Installation - simply plug-in to a standard, 120V outlet in your home
15% discount
Kidde Carbon Monoxide Detector, 10-Year Battery Powered, Digital Display, LED Status Indicators, 85 dB Alarm, 3rd Edition
Electrochemical sensor technology detects CO gas & sounds an 85-decibel alarm
Universal Security Instruments MCND401 M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup
Large, Bright Digital Display Screen with Three LED Colors to Indicate Status of Power, Carbon Monoxide and Natural Gas
9% discount
4 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen
Easy Installation Can be installed in several minutes. Coming with screws and bracket. Powered by battery(included), it will not be affected by power outage. When an intermittent "chirp" accompanied by a red LED flash every 32 seconds indicates a low battery.
Amazon Smart Air Quality Monitor – Know your air, Works with Alexa
Know your air Amazon Smart Air Quality Monitor makes it easy to understand what s in your indoor air.
Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, Voice Alerts, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10-V, 3 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a loud 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
First Alert BRK CO511 Carbon Monoxide (CO) Detector Wireless Interconnected with Voice and Location
Battery-operated carbon monoxide alarm can be installed easily
2026 New Steadfast Haven Pro Detector,4-in-1 Plug in Detector with HD Digital Display, for Home, Kitchens, Hotel (Black-4pc)
4-in-1 Multifunctional Detection System Integrates detection capabilities for gas (0-15% LEL), C O (0-999 PPM), temperature (32-212 F), and humidity (0% 95% RH), providing comprehensive environmental monitoring to help you create a safer indoor space
6% discount
Kidde Smoke and Carbon Monoxide Detector, AA Battery Powered, with Voice Alerts, LED Status Lights, 85 dB Alarm, 5 inches, 30CUDR-V, 1 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology engineered for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
Safe T Alert - Mini Dual LP/CO Alarm - Flush Mount Black - 25-742-BL
DUAL PROPANE & CO DETECTION Patented Double-Duty Alarm upgrades single 12V propane alarms to detect both Propane Gas and Carbon Monoxide. Replaces Atwood Models 31013 & 31014 without modifications.
5% discount
4-Pack, Smoke and Carbon Monoxide Detector, Smoke Detector Carbon Monoxide Detector Combo with Test Button, Digital Display, 85dB Alarm for Home and Office
High Sensitivity Alarms This smoke alarm and carbon monoxide detector s equipped with 2 sensors for more accurate detection of danger and timely alerts
Kidde Smoke and Carbon Monoxide Detector, Hardwired with 10-Year Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUA10, 3 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology engineered for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
10% discount
2 Pack Smoke Detector Carbon Monoxide Detector Combo with LED Indicator Lights, LCD Display & 85dB Alarm, Battery-Operated Smoke Alarm and CO Detector for Home, Kitchen, Basement, Bedroom, Office
Equipped with photoelectric and electrochemical sensors, this carbon monoxide detector smoke alarm delivers quick and accurate alerts for both fire and carbon monoxide threats
Kidde Carbon Monoxide Detector, Plug In Wall with 10-Year Battery Backup, Digital LED Display, Test-Hush Button, 3rd Edition
Easy Installation - simply plug-in to a standard, 120V outlet in your home
2026 New Steadfast Haven Pro Detector,4-in-1 Plug in Detector with HD Digital Display, for Home, Kitchens, Hotel (4*White)
4-in-1 Multifunctional Detection System Integrates detection capabilities for gas (0-15% LEL), C O (0-999 PPM), temperature (32-212 F), and humidity (0% 95% RH), providing comprehensive environmental monitoring to help you create a safer indoor space
13% discount
2 Pack 4 in 1 Plug in Carbon Monoxide Detectors & Natural Gas Combination Built-in Backup Battery & 2.1'' HD Screen [CO Gas Temp Humidity] Propane Methane Combustible Gas Alarm for Home/Travel(White)
Multi-Function Display This carbon monoxide detectors digital screen shows Combustible Gas Concentration, CO levels in PPM, temperature in Fahrenheit, and humidity percentage with clear icons for easy monitoring
Yfwsrecinoe 2 Pack Upgraded Combination Smoke and Carbon Monoxide Alarm Detector, Dual Sensor Smoke Alarm&Carbon Monoxide Detector (Includes Battery)
Upgraded Dual Sensors to Ensure Your Safety Compared with most carbon monoxide smoke detectors on the market, our detector sensors have a lifespan of up to 10 years, while other detectors on the market only use three-years life sensors, so our products have a longer service life. The combined smoke and carbon monoxide detector uses a photoelectric smoke sensor and an electrochemical sensor to detect smoke and carbon monoxide faster and more accurately, protecting your home from two potentially deadly threats.
Kidde Smoke and Carbon Monoxide Detector, Hardwired with AA Battery Backup, LED Status Lights, Interconnected, 85 dB Alarm, 5 inches, 30CUAR, 3 Pack
2-IN-1 DETECTION Detects both smoke and carbon monoxide with advanced sensing technology for over 25% faster smoke detection*; features a loud 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
2026 New Steadfast Haven Pro Detector,4-in-1 Plug in Detector with HD Digital Display, for Home, Kitchens, Hotel (2Pc*Black)
4-in-1 Multifunctional Detection System Integrates detection capabilities for gas (0-15% LEL), C O (0-999 PPM), temperature (32-212 F), and humidity (0% 95% RH), providing comprehensive environmental monitoring to help you create a safer indoor space
Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, Black - 20-441-P-BL
BUILT FOR RVS Compact surface mount design ideal for Travel Trailers, Fifth Wheels, Truck Campers, and Folding Campers. Engineered for rugged RV environments.
Car, Vehicle, Aircraft Carbon Monoxide CO Detector | Fast Low-Level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |
USES Exhaust leaks in vehicles (i.e. SUVs, aircraft, school buses, trucks & fleet vehicles that triggers headaches, nausea & driver fatigue.
2026 New Multi-Function Detector,6-in-1 Plug in Detector with HD Digital Display and Magnetic Base, Backup Battery,for Home, Kitchens, Hotel (2Pcs*Silver)
6-in-1 Multi-Function Detector Featuring high-precision sensors and a 3D porous design, this detector provides sensitive and accurate monitoring of temperature, humidity, and other environmental conditions. Built-in rechargeable battery and magnetic base, this portable detector offers continuous, portable safety monitoring and continues to function even during power outages.
6 Packs,2 in 1 Technology, Smoke,Carbon Monoxide Detector, Co Alarm,85db Alert,LCD Readout,3 Color LED Indication,(Green Light Blinking at Work), with 3 AA Batteries,Easy Install,for Home and Kitchen
Reliable Hazard Detection This smoke and carbon monoxide detector detects both smoke and CO, offering protection from two dangerous threats with one device
Carbon Monoxide Detectors,3 Pack 3in1 Portable Carbon Monoxide detectors Plug in Wall for Travel, CO Alarm/Monitor for Home/Hotel Room/RV with AC Socket with Temperature & Humidity Detectors
Real-Time Monitoring Our carbon monoxide alarm are equipped with advanced electrochemical sensors, providing accurate readings from 0-1000PPM.
10% discount
GasDoc DS-399PRO Carbon Monoxide and Carbon Dioxide Detectors, 4-in-1 Portable CO2 & CO Detector with Audible & Visual Alarm, Rechargeable CO & CO2 Meter for Home, Travel, Camping, Car, 72H Standby
4-in-1 CO & CO2 Detector The DS-399PRO is a versatile 4-in-1 detector that measures carbon monoxide (CO) levels from 0 to 1000 PPM and carbon dioxide (CO2) levels from 400 to 5000 PPM. Whether at home or on the go, it ensures that the air you breathe is safe, protecting both you and your loved ones. Additionally, the detector monitors real-time temperature and humidity, providing you with environmental data, making it ideal for everyday use
Kidde Smoke Detector, Hardwired with 10-Year Battery Backup, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 3-Pack
SMOKE DETECTION Model 20SA10 features advanced sensing technology that detects smoke over 25% faster*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
7% discount
AEGTEST AGT-2000 Portable Carbon Monoxide Detector for Travel, 240H Standby, CO Detector with Audible & Visual Alerts for Camping, Rechargeable CO Meter with Built-in Emergency Flashlight
Carbon Monoxide Detector The AGT-2000 is a portable carbon monoxide detector with a high-sensitivity UK DDS sensor, delivering a rapid response time of up to 0.3 seconds. It accurately detects CO concentrations from 0 to 1000 PPM and continuously monitors environmental changes. Whether at home or on the go, it helps ensure the air you breathe remains safe, protecting you and your loved ones
Kidde Carbon Monoxide Detector, AC-Plug-in with Lithium Battery Backup, Digital Display, Escape & Night Light
Easy installation - simply plug the CO detector into a 120-volt, 60Hz outlet in your home; the plug rotates for flexibility of placement
Kidde Smart Carbon Monoxide Detector & Indoor Air Quality Monitor, Plug-In, WiFi, Alexa Compatible Device, Voice & App Alerts
Industry First 2-in-1 Detection - Carbon monoxide detector & Indoor Air Quality Monitor combo alerts you to both CO & indoor air quality hazards, in a single device
7% discount
RV Carbon Monoxide & Propane Gas Alarm, Briidea Dual LP/CO Alarm with Separate LED Indicator Light, Metal Housing, 100dB Loud Alert, Flush Mount, Compatible Replacement for Safe-T-Alert 30-442 Series
2-IN-1 ALARM The Briidea 2-in-1 alarm system, you'll receive early warnings that give you ample time to take precautionary measures and prevent any dangers, ensuring the safety of your and your family lives and property, allowing you to fully enjoy your travels. COMPATIBLE REPLACEMENT FOR SAFE-T-ALERT MTI INDUSTRIES 30-442 SERIES. Power Supply 12 VDC
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, SC06
Please Note SC06 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC06-W
5% discount
2 Packs Combination Gas & Carbon Monoxide Detector, Plug in Carbon Monoxide Alarm & Natural Gas Detector,Propane,Methane,with Backup 9V Battery Feature, Digital Display, for Home, Apartment, RV
Combination Gas & Carbon Monoxide Detector 2-in-1 sensor design, high sensitivity, high reliability and high accuracy.
Kidde 21010170 10 Year Smoke and Carbon Monoxide Alarm Detector | Photoelectric | Kitchen | Model P3010K-CO
Combination smoke and carbon monoxide alarm Smoke and CO sensing technologies work together to detect real fires faster and reduce cooking-related nuisance alarms.
GasDoc DS-100 Portable Carbon Monoxide Detector for Travel, 140H Standby, CO Detector with Magnetic Back, 3-in-1 CO Monitor with Audible & Visual Alarm for Camping, Hotel, Car & RV
Carbon Monoxide Detector The DS-100 is a 3-in-1 portable carbon monoxide detector that can detect carbon monoxide levels from 0 to 1000ppm, it will alert you when the concentration reaches 50 ppm. This allows you to detect and mitigate risks at low level carbon monoxide. It also measures temperature and humidity, enables you to observe temperature and humidity in real time, convenient for daily use
Heiman Smart Carbon Monoxide Detectors, Matter CO Detector, Real-time Notification, UL 2034 5th Certified, Wireless Battery Powered Mini Fire Alarm for Home, Compatible with Smartthings,Home Assistant
Trusted Protection, Recognized Excellence UL 2034 (5th Ed.) Certified and CSFM Approved for dependable residential CO safety. This co detector, is the Winner of the Red Dot Design Award, delivering reliable performance in a sleek, modern form.
GasDoc DS-X1 Portable Carbon Monoxide Detector with Ambient Light, CO Detector with Magnetic Mount & Mental Hook, Travel CO Monitor with Visual & Audible Alerts for Camping, Cars, RV & Hotel
Portable CO Detector with Ambient Light DS-X1 portable carbon monoxide detector measures 0 999ppm while providing practical illumination for outdoor use. Designed as a travel carbon monoxide detector, it combines real-time CO monitoring with compact lighting for safer camping and trips
Watcher-S1 Portable Carbon Monoxide Detector, 150H Standby, Rechargeable 3-in-1 CO Meter with Magnetic Suction, CO Detector with Audible & Visual Alarm for Home, Travel, Tent, RV
3-in-1 Portable Safety Detector GuardStarX Watcher-S1 is a portable carbon monoxide detector offering real-time, accurate CO readings from 0 1000 ppm. Customizable alarm thresholds help you quickly detect potential risks, while integrated temperature and humidity monitoring keeps you informed of your home environment for everyday use
9% discount
Kidde Smoke and Carbon Monoxide Detector, Hardwired with AA Battery Backup, Voice Alerts, Interconnectable, LED Status Lights, 85 dB Alarm, 5-inches, 30CUAR-V, 1 Pack
2-in-1 DETECTION Model 30CUAR-V detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a red LED light for clear visual notification suitable for homes
TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange
Carbon Monoxide Detector TopTes CT-300 is an ideal portable CO tester to help you detect CO gas concentrations timely and accurately, reducing the risk of CO poisoning and protecting your life. It is a must-have tool for homeowners, drivers, campers, DIY-ers, tourists, etc
5 in 1 Carbon Monoxide Detectors, Natural Gas Detector with Dual Alarm & Bulit-in Battery, Propane CO Detector Plug in (Temp & Humidity) for Home RV Camping Travel (White)
5-in-1 CO & Gas Detector This upgraded carbon monoxide detectors monitors CO, combustible gas(natural gas, propane, methane, coal gas, etc.), temperature, and humidity in real time. An essential gas leak detector, it provides all-round protection for your family.
4-in-1 Portable Carbon Monoxide Detector for Travel & Camping, Rechargeable CO Monitor with Temperature, Humidity & UV Index Display, 1000mAh Battery, Magnetic & Lanyard for RV, Car, Tent, Hotel
4-in-1 Full Environmental Awareness Unlike traditional single-function CO alarms, this device is your ultimate travel guardian. It simultaneously monitors Carbon Monoxide (CO) levels, Temperature, Humidity, and UV Index for campers and travelers who need to know their environment inside out-whether you are checking heater safety or sun intensity
WiFi Smart Natural Gas& Carbon Monoxide Detector, 2 in 1，Plug-in, CO Gas Leak Alarm for Natural Gas, LPG, Methane, Propane & Butane, App Monitoring & LED Display
2-in-1 Gas & CO Detector Detects carbon monoxide and combustible gases (Natural Gas, Methane, LPG, Propane, Butane) in one plug-in device for complete home and RV safety.
Nicbee 5-in-1 Smoke and Carbon Monoxide Detectors Plug in, Smoke Detector with Battery Backup Slot, Adjustable Brightness & Volume Levels, Smoke Alarm with Temp/Humidity for Home, RV, Travel(1-Pack)
5-in-1 Carbon Monoxide Detectors This upgraded smoke and carbon monoxide detector can monitor carbon monoxide, smoke, temperature, and humidity in real time. As a practical co detector, it adds three levels of brightness and volume adjustments to meet different usage needs for day and night, making it your ideal choice.
gutong 4 in 1 Carbon Monoxide Detectors Plug in, CO Detector & Natural Gas Detector with Battery Backup, HD Digital Display Monitors CO, Combustible Gas, Temp, Humidity - Home Safety for House, RV
4 in 1 Smart Detector Carbon monoxide detectors plug in can monitor CO, combustible gases, temp and humidity in real time, and display dynamic data on HD screen. The sleek and smart design makes it perfectly integrated into your home
Kidde Carbon Monoxide Detector, Plug In Wall with 10-Year Battery Backup, Digital LED Display, Voice Alerts, Test-Hush Button, 3rd Edition
Easy Installation - simply plug-in to a standard, 120V outlet in your home
![2 Pack 4 in 1 Plug in Carbon Monoxide Detectors & Natural Gas Combination Built-in Backup Battery & 2.1'' HD Screen [CO Gas Temp Humidity] Propane Methane Combustible Gas Alarm for Home/Travel(White)](https://cdn.netzshopping.de/productimages/F/7/K/B0FHB9PK7F.jpg)
