Google’s Nest Protect brings the most comprehensive range of features at $119 per unit. It includes a CO detector and real-time alerts, as well as voice and color-coded signals to identify threat type ...

This attractively designed, pint-sized device—it measures just 3.1 inches across—connects to 2.4GHz Wi-Fi networks (i.e., it’s incompatible with a 5GHz network) and is connected via the ubiquitous ...

The promised Sound Recognition feature is launching today on HomePod and HomePod mini. When enabled, your HomePod will listen out for your home’s existing smoke and carbon monoxide detector. When it ...

SimpliSafe adds an affordable Smoke & CO Alarm Listener that connects your existing detectors to 24/7 monitoring for faster ...