"BRK" COMBO SMOKE & CARBON MONOXIDE ALARM *120V AC 60 Hz with 9 volt battery backup *Intelligent sensor reduces nuisance alarms *Silence/test button *Ionization smoke sensor *Tin oxide sensor permanently stores highest carbon monoxide reading *Automatically performs internal test *Interconnect up to 12 BRK smoke alarms and 6 additional devices *Power indicator *Battery drawer *Quick-connect plug with 8" pig tails *Universal mounting bracket with screw slots *Boxed *DiscoveryNBR, SUP
local legislation go to www.firstalert.com/ legislation-map/and click on your state, or call 800-275-2576 *Boxed *Discovery SUP *Item restricted in VT due to legislation *Discovery SUP