First Alert Carbon Monoxide Alarm

by First Alert
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Electrochemical CO sensor
Sleek design
3V lithium power cell
Power LED & alarm indicator
Mute/silence button
End-of-life signal
Versatile mount--wall or ceiling with easy slide-in mounting bracket
Peak level memory captures highest CO level detected
10-year alarm life with no battery changes for life
10-year limited warranty
Without voice alert