First Alert CO605 Carbon Monoxide Plug In Alarm, 85 db GiftItems Single piece zinc-plated steel frame

Single piece zinc-plated steel frame for rigidity

Will not chip or crack due to changes in temperature and are specifically designed for effective drainage

Dusk to dawn

Never Out battery - up to 12 hours of play

smoke and noxious gases before

First Alert CO605 Carbon Monoxide Plug In Alarm, 85 db GiftItems Single piece zinc-plated steel frameHighlights: 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