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First Alert Battery-Operated Carbon Monoxide Detector

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Battery-operated carbon monoxide detector protects against toxic gas exposure (9-volt battery included)
Electrochemical sensor provides the most accurate technology for carbon monoxide detection to prevent accidental poisoning
Test/silence button and ensures your detector is working properly and mutes unwanted beeping

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Battery operated carbon monoxide alarm from First Alert with mute button to silence any nuisance alarms. Single button also tests alarm functions. Utilizes electrochemical sensor for increased accuracy. Easy, front access to the battery. 5-year limited warranty. Meets UL standards.

Battery-operated carbon monoxide detector protects against toxic gas exposure (9-volt battery included)
Electrochemical sensor provides the most accurate technology for carbon monoxide detection to prevent accidental poisoning
Test/silence button and ensures your detector is working properly and mutes unwanted beeping
End-of-life signal provides audible notification when detector needs to be replaced for constant protection from the threat of the colorless, odorless gas
ETL safety listing demonstrates this product has met minimum requirements of widely accepted product safety standards
5-year limited warranty gives you peace of mind
Easy-access door with front-open compartment allows you to change the battery without dismounting detector, making replacements effortless