The First Alert PRC710 uses a photoelectric sensor ... if the alarm goes off while you're not home. Backup power: Hardwired smoke detectors require a backup battery to power the unit in the ...

Ring is branching out beyond the best video doorbells and home security cameras into another area of home safety: Fire ...

Beeping or chirping smoke detectors are beyond annoying. Usually, a chirp every 30 to 60 seconds just indicates a low battery ...

But you’ll need hardwired power infrastructure and a subscription to get the maximum benefit from these new home safety ...