CO400 - Battery Powered Carbon Monoxide Alarm

Oct. 2, 2017
The First Alert CO400 is a Battery Operated Carbon Monoxide Alarm from First Alert with mute button to silence any nuisance alarms.

The First Alert CO400 is a 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 access to the battery. 5-year limited warranty. Meets UL standards.

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