First Alert 1046869 Interconnect Hardwire 2-in-1 Smoke & CO Alarm with Battery BackupThe SMICO100 AC Interconnect Hardwire 2 in 1 Smoke and CO Alarm with Battery Backup utilizes First Alert's Precision Detection technology and meets the latest industry standards. Easily install and interconnect multiple detectors together to create an alarm system throughout your home. First Alert's Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning

Belt hook included

Weather resistant

The wide-set casters and balanced top handle make for convenient transportation from one place to the next

Tight-weave

heats in lime & sand build up that would burn out ordinary elements

LED4DFA15-GW-2

Half the insertion effort

fluorescent light bulb

Oil-Filled 3/4 HP Motor

The smoke alarm has a built-in 10-year sealed battery that provides continuous power for the life of the detector

MEASURE ACCURATELY using corrosion-resistant Tru-Zero® end hook

Temporarily Absorbs Expanded Water Overflow