At a glance Expert's Rating Pros ・Voice alerts inform you which room smoke has been detected in ・Interconnectivity for local alarms works great, whether your Wi-Fi network is up or not ・Zero ...

X-Sense claims a 500-meter (1,640 feet) maximum range in open air, and though my home is not nearly that large, the system appeared more than capable at blanketing my entire house with coverage.

Smart home gadgets like doorbells and lightbulbs are cool, but few things in your home are as mission-critical as smoke and ...