The Wireless Motion Add-On Sensor with adjustable sensitivity control expands the coverage area of the Wireless Motion Alert system (sold separately) to create a safe outdoor perimeter of up to a 30-ft radius with a single base monitor
Simply Secure: The Wireless Motion Add-On Sensor with adjustable sensitivity control expands the coverage area of the Wireless Motion Alert system (sold separately) to create a safe outdoor perimeter of up to a 30-ft radius with a single base monitor
More Control: System can be expanded with seven additional Wireless Motion Add-On Sensors up to 1/2-mile from the base.; each sensor is weatherproof and durable with a mounting bracket and two-year battery life and covers a 120-degree area
Easy Setup: No wiring is required. AA batteries (not included) will last up to two years; mounting brackets and instruction manual are included
Proven Quality: Rigorous quality testing ensures lasting performance
Quick Specs: Weight 8-oz.; 3.47-in x 2.73-in x 2.92-in
Additional Assurance: One-year warranty
About Chamberlain: The largest and most dependable garage door opener manufacturer in North America