First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display. 10 Pack.

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm - 1 Each

Plug-in CO (carbon monoxide) alarm featuring battery back-up and backlit digital display. Uses an electrochemical carbon monoxide sensor, the most accurate CO detection technology available, to detect the CO you can't see, smell, or taste in the air. ... more

First Alert Carbon Monoxide Detector in Black | 8.45 H x 6.75 W x 1.3 D in | Wayfair 1039753

This First Alert carbon monoxide alarm features a 10-year built-in lithium battery for continuous monitoring during the life of the alarm, and uses an electrochemical carbon monoxide sensor and an 85-decibel alarm to alert you to CO threats. The... ... more

BRK First Alert Carbon Monoxide, Photoelectric Smoke Detector

The First Alert PRC710B is a 10 Year 2-in-1 Photoelectric Smoke Detector with Carbon Monoxide Alarm features our new Slim Design and Maximum Protection. ... more

First Alert Photoelectric Smoke & Carbon Monoxide Detector in Gray | 6.25 H x 6.1 W x 9.25 D in | Wayfair 1040957

6 pc 10YR Battery Photo Smoke/CO Alarm - The First Alert Ten-Year 2-in-1 photoelectric smoke detector with carbon monoxide alarm features our new slim design and maximum protection. It's protection at its finest and lasts a full 10 years without the... ... more

First Alert Carbon Monoxide Detector in Black | 5.85 H x 5.7 W x 2.5 D in | Wayfair SCO2B

The BRK SCO2B battery powered smoke and CO combo alarm is powered by a single 9V alkaline battery. It is tested and silenced by a single button. Electrochemical carbon monoxide sensor is the most accurate. It also includes a dust cover to help to... ... more

First Alert Carbon Monoxide Detector in Black | 9.45 H x 6.95 W x 4.15 D in | Wayfair 1039741

The 2-pack First Alert carbon monoxide alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide. The battery-powered design of this personal carbon monoxide detector means your space can be monitored for dangerous carbon... ... more

First Alert Electrochemical Smoke & Carbon Monoxide Detector in Black | 8.45 H x 6.75 W x 3.55 D in | Wayfair 1042107

This hardwired combination smoke and carbon monoxide detector includes a 9-volt battery backup that continues to protect you in the event of a power failure. The alarm features electrochemical CO sensing technology, an ionization sensor for smoke... ... more

First Alert Carbon Monoxide Detector in Black | 8.5 H x 6.75 W x 3.2 D in | Wayfair 1039935

2 in 1 Battery-powered smoke & CO alarm with silence/test button Features convenient silence/test button, blinking power light, 85-decibel alarm Also includes side battery drawer and missing battery guard Low battery warning and tamper resistant 9-volt... ... more

First Alert Carbon Monoxide Detector in Black | 4.2 H x 11.2 W x 5.55 D in | Wayfair CO400B6CP

The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide. This carbon monoxide detector is battery operated, making it portable and easy to use, even in the event of a power outage. When... ... more

First Alert Electrochemical Carbon Monoxide Detector in Black | 9.5 H x 6.95 W x 4.1 D in | Wayfair 1042411

The First Alert Carbon Monoxide Plug-In Alarm with battery backup features an electrochemical CO sensor to alert you to dangerous levels of carbon monoxide. This carbon monoxide detector plugs into any standard electrical socket to monitor CO levels in... ... more

First Alert Smoke & Carbon Monoxide Detector, Wood in Black | 6.2 H x 12.3 W x 6 D in | Wayfair SC9120B6CP

6 pc Hardwire Ion Smoke/CO Alarm Contractor Pack - The BRK SC9120B hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be emitted by sources... ... more

BRK First Alert - SCO2B Battery Powered Smoke & Carbon Monoxide Alarm

As one of the most intelligent BRK smoke detectors, the BRK SCO2B model is an electrochemical battery-powered smoke and carbon monoxide alarm. ... more

First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | Wayfair 1039839

The First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm detects both smoke and carbon monoxide. It is a wireless-enabled battery-operated detector that features an 85-decibel siren plus a voice alarm to let you know where the danger is.... ... more

First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039868

This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm with voice and location has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to... ... more

First Alert Battery Photoelectric Smoke & Carbon Monoxide Alarm in Gray | 5.67 H x 5.67 W x 1 D in | Wayfair 1039871

This First Alert Battery Photoelectric Smoke and Carbon Monoxide Alarm has a slim profile, designed to blend more fully into the wall and out of sight. The battery-operated smoke and carbon monoxide detector alerts you to possible smoke or carbon... ... more

First Alert Battery-Powered Carbon Monoxide Alarm in Black | 2.25 H x 6.75 W x 8.5 D in | Wayfair FAT1039718

The product utilizes an electrochemical carbon monoxide sensor that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere. When carbon monoxide levels become... ... more

First Alert Battery Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.5 D in | Wayfair 1039718

This First Alert Battery Electrochemical Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy... ... more

First Alert Dual-Power Carbon Monoxide Plug-in Alarm in Black | 2.5 H x 6.75 W x 8.5 D in | Wayfair FAT1039746

The product alerts you to dangerous carbon monoxide levels. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The backlit digital screen tells you, at a... ... more

First Alert Plug-in Electrochemical Explosive Gas & Carbon Monoxide Alarm in Gray | 3 H x 5.6 W x 1.5 D in | Wayfair 1039760

This plug-in electrochemical explosive gas and carbon monoxide alarm features a backlit digital display, this explosive gas, and CO detector plugs into any AC outlet with no additional mounting hardware needed. | First Alert Plug-in Electrochemical... ... more

BRK First Alert - SC9120LBL Hardwired Smoke & Carbon Monoxide Alarm

The First Alert SC9120LBL hardwired combination smoke/CO alarm connects directly to your home electrical system. In the event of a power outage, the smoke/CO alarm is equipped with a 10-year lithium battery backup. ... more

First Alert Plug-in Carbon Monoxide Alarm in Black | 2.25 H x 6.75 W x 8.25 D in | Wayfair FAT1039730

The product utilizes an electrochemical carbon monoxide sensor that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere. When carbon monoxide levels become... ... more

First Alert Hardwired 120V Electrochemical Carbon Monoxide Alarm - 1 Each

First Alert hardwired carbon monoxide detector with battery back-up. Features an electrochemical sensor which detects carbon monoxide gas and measures the concentration. ... more

First Alert Plug-in Carbon Monoxide Alarm in Black | 2.25 H x 6.75 W x 8.25 D in | Wayfair FAT1039730

The product utilizes an electrochemical carbon monoxide sensor that lasts for up to 5 years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere. When carbon monoxide levels become... ... more

First Alert Plug-In Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.7 D in | Wayfair 1039746

The First Alert Plug-In Electrochemical Carbon Monoxide Alarm alerts you to dangerous carbon monoxide. This carbon monoxide detector operates on a dual-power system with battery backup for continuous monitoring, even in the event of a power outage. The... ... more

First Alert Photoelectric Smoke Fire Detector in Gray | 5.85 H x 5.7 W x 8.9 D in | Wayfair 1040958

6 pc 10YR Battery Photo Smoke Alarm Contractor Pack - This BRK Slim Photoelectric Smoke Alarms includes a 10-Year Battery helping protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an... ... more

First Alert Smoke Detector in Gray | 8.5 H x 6.75 W x 3.5 D in | Wayfair 1039814

The First Alert 0827B sealed lonization smoke alarm features a 10-year sealed lithium battery, eliminating the need for battery replacements during the lifetime of the alarm. This smoke detector with ionization sensor has a tamperproof design, a mute... ... more

First Alert Photoelectric Smoke Detector in Gray | 9.4 H x 7 W x 4.5 D in | Wayfair 1042409

The First Alert 10-year battery operated slim design smoke alarm provides the same protection as a standard smoke alarm while taking up only a fraction of the space. The alarms feature a built-in lithium-ion battery that provides continuous power for... ... more