The Kidde Ring measures 1.8 by 5 by 5 inches (HWD) and weighs 1.3 pounds. It’s a hardwired device that contains black (hot) and white (neutral) wires, as well as a red wire used to interconnect ...

The SC07-WX is powered by a single included CR123A battery, which should be replaced annually. Its built-in Bluetooth and Wi-Fi (2.4GHz) radios allow you to connect the alarm to the X-Sense Home ...

"Our concern is that a wave of smoke alarms in homes across Massachusetts won’t be reliable in the months ahead." ...