PlumbMaster Approved 21033081 Hardwire Electric Smoke Detector 120 V AC with 9V Battery Backup

Safeguard your family with FireX’s photoelectric sensing smoke alarm that quickly detects large smoke particles in the air associated with slow, smoldering fires. Enhanced sensing technology reduces false alarms caused by cooking smoke, while the test/hush button allows you to test the battery operations as well as silence false alarms. Powered by 120-Volt AC with two AA replaceable backup batteries (included), it continuously detects during short-term power outages. Connect up to 24 Kidde compatible devices (see User Guide for complete list of compatible interconnectable devices). The audible end-of-life notification will remind you it's time to replace the device at the end of its 10-year lifespan. This alarm comes with an 8-inch pigtail, quick-connect harness, and a twist-and-click mounting bracket. Self-testing checks for device activity, and its low-profile design will blend seamlessly into your walls or ceilings for all living spaces.