They can save your life, or go off when nothing's wrong. Here's what to do if your smoke alarm is giving you fits.

How We Test Smoke and Carbon Monoxide Detectors Each smoke and carbon monoxide detector ... 10 years. First Alert owns the BRK-branded units and the Onelink line of wireless talking units.

This alarm runs on batteries and delivers warnings by voice. Note, though, that First Alert does not recommend installing a smoke alarm in a garage because of the risk of false alarms. But if you ...

Although these are useful, I wish it used a voice-alarm to explain the alerts. The First Alert PRC710 performed well during my testing on all three days and consistently activated its smoke alarm ...