First Alert CO400B Carbon Monoxide Detectors, White Soft Size: 15/16"

Size: 15/16"

Raised protective border

plastic and rubber

energy and money

0Ah battery BL1820B is compatible with 18V LXT® Tools

First Alert CO400B Carbon Monoxide Detectors, White Soft Size: 15/16"Works during power outages. No installation required. Place or mount almost anywhere. Mute test button to quiet unnecessary alarms, test alarm function. 85 decibel alarm, low battery warning. Low battery mute quiets low battery signal for up to 8 hours. Front open compartment allows battery change without taking alarm down. Electrochemical sensor is the most accurate technology available for detecting carbon monoxide. End of life timer alarm chirps