Wireless Ionization Smoke Alarm (DC) Interconnectable

Kidde Wireless Ionization Smoke Alarm makes it easy to install an interconnected smoke alarm system throughout the home or business without wiring. The battery-powered units are linked so when one alarm sounds, it will trigger all to sound. In addition to providing protection in any room, the alarm can also be placed in a detached workshop or shed and linked into the home's system. Ten-year warranty.