Why is my smoke alarm chirping if it’s hard-wired?
Most hard-wired smoke detectors use a 9-volt battery that is supposed to kick in if your home loses electricity. When ...
Most hard-wired smoke detectors use a 9-volt battery that is supposed to kick in if your home loses electricity. When ...
If the sound is loud, your battery level is high, and your batteries do not need to be replaced. If ...