BRK First Alert Hardwired 120V with Battery Back-Up Smoke Detector - 6-Pack Item #5019729 | Model #UMV1170LW or PEX pipe - no

or PEX pipe - no soldering required

50-65 minute setting time

3 Prong Grounded Power Cord

Weight (lbs

Lever handle is easy to use

BRK First Alert Hardwired 120V with Battery Back-Up Smoke Detector - 6-Pack Item #5019729 | Model #UMV1170LW or PEX pipe - noThe BRK 9120B Hardwired Smoke Alarm with Battery Backup. This 120 volt AC smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires and alerts you with a loud 85 decibel alarm. Designed to be wired directly into your home's electrical system, this hardwired smoke detector features a backup battery that helps keep the alarm functioning even in the event of a power outage. The gasket less mount helps ensure a