This smoke alarm is equipped with a photoelectric sensor that detects slow-burning and smoldering fires. It is possible to connect the battery-powered smoke detector to the X-Sense Home Security app without a base station by using the 2.4 GHz Wi-Fi network. The price drops from $39.99 to $19.99. Shipping is free for prime members or on orders over $25.

This deal is valid only for prime members