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    FIRST ALERT SA520B Smoke Alarm, Photoelectric Sensor, 85 dB @ 10 ft Audible

    FIRST ALERT SA520B Smoke Alarm, Photoelectric Sensor, 85 dB @ 10 ft Audible

    Smoke Alarm, Battery Chemistry Alkaline, Battery Location Side, Battery Locking Pin Yes, Battery Size AA, Communication Protocol Wireless, Compatible With BRK Hardwired Alarms, BRK Wireless Interconnect Alarms, Detector Type Smoke Detector, Features... more

    $41.99

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    FIRST ALERT 1039727 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10

    FIRST ALERT 1039727 Carbon Monoxide Alarm, Electrochemical Sensor, 85 dB @ 10

    Carbon Monoxide Alarm, Battery Chemistry Alkaline, Battery Location Front, Battery Locking Pin Yes, Battery Size AA, Communication Protocol Not Applicable, Compatible With Not Applicable, Detector Type CO Detector, Features Front Loading Battery,... more

    $52.99

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

    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

    $35.54 $31.99

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

    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

    $52.60

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    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

    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

    $57.84

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    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

    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

    $58.88

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

    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

    $50.69

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    First Alert Plug-In Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.4 D in | Wayfair 1039734

    First Alert Plug-In Electrochemical Carbon Monoxide Alarm in Black | 3.4 H x 5 W x 1.4 D in | Wayfair 1039734

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

    $36.73

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

    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

    $36.38

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

    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

    $32.24

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

    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

    $41.99

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

    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

    $41.99

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

    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

    $55.23

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    First Alert Battery-operated Photoelectric Smoke Alarm in Gray | 2 H x 6.75 W x 8.5 D in | Wayfair FAT1039772

    First Alert Battery-operated Photoelectric Smoke Alarm in Gray | 2 H x 6.75 W x 8.5 D in | Wayfair FAT1039772

    Help protect your home with the product. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke from slow-burning, smoldering fires. Half as thick as a standard alarm, this detector has a slim, contemporary design that... more

    $39.98

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

    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

    $71.09

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

    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

    $64.98

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    First Alert 120-Volt AC Wireless Smoke Detector with Photo-Electric Sensor

    First Alert 120-Volt AC Wireless Smoke Detector with Photo-Electric Sensor

    First Alert 120-Volt AC Wireless Smoke Detector with Photo-Electric Sensor more

    $42

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