First Alert CO400B Carbon Monoxide Detectors, White Eco_Friendly ensuring an even trim every

ensuring an even trim every time

Application Temperature: + 40 degree F

Body Material: Glass Filled Nylon

Whiteflies and others

First Alert CO400B Carbon Monoxide Detectors, White Eco_Friendly ensuring an even trim everyWorks 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