- Chamberlain wireless motion alert add-on sensor for the wireless motion alert system- Adjustable sensitivity prevents false alerts- Wide 120-degree angle coverage- Two year battery life- Comes with mounting bracket- Half-mi
Dimensions: 3.75L x 5.63W x 3.06H in.
Constructed of plastic
Detects motion up to 30 ft. away
Easy to install and operate
Weatherproof outdoor sensor