Outdoor Solar Powered Wireless Infrared Barrier Detector
Outdoor anti-theft wireless solar power infrared barrier Alarm bell wireless compatible with door contact, window break fence, water leakage detector, gas sensor [HB-T001S4+805A] - $95.00 : China top brand burglar and fire
Waterproof 3 Beams Wireless 433MHz Infrared Grating Detector Barrier Fence Sensor Alarm For GSM WiFi Home Burglar System - AliExpress