First Alert Interconnect Hard-Wired w/Battery Back-up Ionization Smoke Detector 638 and a 6 in

and a 6 in

Capacity: 3 ct

And when the day is finally done

Our large manufacturing base includes 7 plants and over 1

First Alert Interconnect Hard-Wired w/Battery Back-up Ionization Smoke Detector 638 and a 6 inThe First Alert SMI105 AC Interconnect Hardwire Smoke Alarm with 10 Year Battery Backup uses First Alert's Precision Detection advanced sensing technology and meets new industry standards. Interconnect multiple alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10 year battery backup provides continuous protection in the event of a power outage. Brand Name: First Alert Sub Brand: Interconnect