First Alert CO910 Carbon Monoxide Alarm Electrochemical CO sensor
Sleek design
3V lithium power cell
Power LED & alarm indicator
Mutesilence 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
FIRST ALERT(R)PRODUCT WARRANTY : TEN YEARS