First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Exclusive anti-tarnish formula with a

Exclusive anti-tarnish formula with a pleasant vanilla scent

Bi-metal construction allows blades to bend and flex without breaking

Spring loaded release

AC/DC current

First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Exclusive anti-tarnish formula with aDesigned to help promote household safety, the First Alert Hardwired Smoke Alarm with Battery Backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires. Comes equipped with an ultra reliable ionization sensor to provide the earliest possible warning of a fast flaming fire. The sensor is optimized to detect flaming fires, such as those caused by