First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup Custom Leathercraft 5" overall length) & weighs

5" overall length) & weighs 11 ounces - most popular length (also avail 20

Made in the USA

* What’s more

Durable non-conductive PVC will not rust or corrode

including pressure-treated wood

First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup Custom Leathercraft 5" overall length) & weighsDesigned to help promote household safety, the First Alert Hardwired 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 Ionization Sensor Reliably Detects Flaming Fires: The First Alert Hardwired Smoke Alarm with Battery Backup comes equipped with an ionization sensor to provide the earliest possible warning of