Onelink Home by First Alert

Download the Onelink Home app to install, pair, and monitor your Onelink by First Alert connected home devices.

Now featuring the Onelink Safe & Sound, the 3-in-1 device that combines a hardwired smart smoke and carbon monoxide alarm with a premium speaker and embedded Amazon Alexa voice assistant. With safety notifications in the event of a smoke or CO emergency, plus premium audio and hands-free voice commands, the Safe & Sound adds safety, entertainment, and convenience to any home.