Designed to help promote household safety, the First Alert Hardwired Ionization Smoke Alarm with Battery Backup can provide early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.
Features:
120-volt hardwired smoke alarm wires directly into your home's electrical system
Ionization smoke sensor reliably detects particles from fast-flaming fires
Can integrate with up to 12 other First Alert or BRK hardwired smoke detectors
Easy-to-access battery compartment; 9-volt battery included
Hassle-free installation, no need to rewire
