Description The Bosch RFDL-11 Wireless PIR TriTech Detector uses artificial intelligence to detect motion and provide immunity to false alarms caused by pets or animals. This Bosch Detector has an integral RF transmitter which reports low battery and tamper status, and sends a supervisory signal to the control panel. Features 11 m x 11 m (35 ft x 35 ft) coverage Pet Immunity up to 45 kg (100 lb) Includes battery life extension feature Draft and insect immunity Supervised for low-battery, cover-tamper, and removal from mounting surface tamper conditions Operational up to 5 years using 4 user replaceable AA Alkaline Batteries