Wireless Motion Sensor - For Use With Motion-Activated Chime Receiver
By Safety Technology International (STI-46010)
MCM Part #82-13651
Additional Wireless Motion Sensor alerts when someone enters detection zone. The signal passes through doors, walls and floors and has a 140° x 40 ft. detection zone. Uses four AA alkaline batteries (not included) and has 32 frequency codes to help reduce interference. Unit is FCC certified.