Combination Smoke & Carbon Monoxide Detector

First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector with Voice Alert in the Combination Smoke & Carbon Monoxide Detectors department at

Kidde Intelligent Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Battery Powered, Combination Smoke & CO Alarm, Voice Alert - Yahoo Shopping

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 carbon monoxide levels become elevated, a loud 85-decibel alarm alerts you to the threat. Detector features a single test/silence button for efficient testing. Battery-operated detector works almost anywhere.

First Alert Smoke (SA303) Carbon Monoxide (CO400) Detector Combo Pack

It is designed for hardwired installation but features a 10-year battery backup that allows the unit to function in the event of a power outage. The CO smoke detector can be connected to other compatible BRK or First Alert CO smoke detectors within a single-family residence. A single button silences or tests the unit.

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The First Alert Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup wires directly into your homes electrical system and the battery

First Alert Hardwired Combination Smoke/Carbon Monoxide Alarm with Battery Backup - SC9120B

【Advanced Sensor Technology】This smoke and carbon monoxide detector designed with 2 in 1 photoelectric and electrochemical sensor to achieve real-time

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Hardwired Smoke & Carbon Monoxide Detector

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Wireless Interconnection: If one alarm detects a threat, all interconnected alarms will activate to sound a warning Full Home Protection: Up to 24

X-Sense Smoke and Carbon Monoxide Detector Combo, Wireless Interconnected Combination Smoke and Carbon Monoxide Detector with LCD Display & 10-Year