Shipping to Continental US Only - This item cannot be shipped to Canada or PO Boxes
First Alert CO400 Battery Powered Carbon Monoxide Detector at $22.99, is for you if you want basic protection from the threat of carbon monoxide. Provides reliable battery powered protection.
Features:
Electrochemical sensor - most accurate technology available for detecting carbon monoxide
End of detector life timer - alarm chirps when it is time to replace it
Low battery "chirping" signal mute - quiets low battery signal for up to 8 hours
Alarm mute button - mutes unnecessary alarms - also tests alarm function with same button
EZ access battery door for AA batteries - front-open compartment allows easy battery change without
dismounting alarm
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