First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Tough polyethylene construction with UV

Tough polyethylene construction with UV inhibitors for long life

Pad heats up in 30 seconds

Removes odors and fumes from cleaners

Durable and UV stabilized

Size: 4-9/16"W X 36"L X 1-3/8" to 1-5/8" Height

First Alert 1039809 Hardwired Ionization Smoke Alarm with Battery Backup BackToSchool Tough polyethylene construction with UVDesigned 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