If a sound accompanies your smoke detector's flashing red light, however, it may mean that immediate action needs to be taken. The reasons for this can vary depending on your brand of smoke detector.

This smoke detector also includes an easy mounting bracket and alarm end-of-life indicator. LOWE’S $22.98 First Alert 10-Year Battery Hardwired Ionization Sensor Smoke Detector ...

(WHTM) — Smoke alarms are among the most important things to have in your home or apartment. But how do these important and life-saving devices work? According to the National Institute of St… ...

First Alert’s Onelink Smoke + Carbon Monoxide Alarm comes in two configurations: battery-powered for up to 10 years for $109.99, and hardwired as tested here for $119.99. Amazon currently offers ...

Nest equipped me with the Smoke Sabre, a smoke-detector tester in an aerosol can. With a spritz (or with actual smoke or carbon monoxide, naturally), the ring of light will turn yellow, alerting ...

This is the Nest Protect, a $129 smoke and carbon monoxide detector. Instead of simply beeping, it tells you exactly what and where the problem is, and you shut it up just by waving at it.

Photoelectric smoke detectors trigger an alarm when smoke enters a chamber and reflects light onto a sensor. They protect better against slow, smoldering fires than fast, raging fires.

Equipped with a powerful siren, the Aqara Smoke Detector triggers an alarm of up to 85 decibels and a LED indicator that flashes red at the first detection of smoke.