Kidde Compact 4 in. Battery Smoke Detector Alarm Photoelectric Sensor 10SDR
Batteries should be replaced every 6 months or when the alarm sounds a low battery chirp. The red LED light blinks to indicate the smoke alarm is on and working. A test-hush button allows you to test the battery operations as well as silence nuisance alarms, should they occur.
Kidde Compact 4 in. Battery Smoke Detector Alarm Photoelectric Sensor 10SDR
New