First Alert FA120C

Solve device problem

Videos (tutorials) Documents (manuals)


First Alert Smoke Alarm Installation

First Alert developed this video for the Sound the Alarm program, demonstrating how to install a SA340CN smoke alarm.

Video Review and Unboxing of New FirstAlert Onelink HomeKit Smoke and Carbon Monoxide Alarms

I'm a big fan of Apple's HomeKit technology, and did a tour of my large 1870's home, which is filled with dozens of HomeKit ...

Chirping First Alert Smoke Detector installing battery correctly.

the precise way the simple little battery is supposed to go in the smoke detector which if not done right will cause big head aches.