First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Strong flex-clip design rotates 360

Strong flex-clip design rotates 360 degrees and locks in 8 positions for ultimate comfort and versatility

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

Cut out: 24-1/4" x 21-1/4"

drip irrigation system or soaker hose for better scheduling consistency with this easy-to-use digital controller

4 panel/4 section

First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Strong flex-clip design rotates 360Designed 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