First Alert CO605 Carbon Monoxide Plug In Alarm, 85 db GiftItems Dusk to dawn

Dusk to dawn

plunger and spring prevent part loss during maintenance

Never Out battery - up to 12 hours of play

The heavy duty construction includes stainless steel heating element

First Alert CO605 Carbon Monoxide Plug In Alarm, 85 db GiftItems Dusk to dawnHighlights: For bedroom, hall or Basement 85 db alarm Two "AA" battery backup (included) Intelligent sensor reduces nuisance alarms Samples air every second Indicator power light Tin oxide sensor permanently stores highest C O reading Automatically performs internal test Low battery alarm & silencer Meets code in Illinois and Massachusetts Blister pack For bedroom, hall or Basement Plug in unit Silence mute button Test button Two "AA" battery backup