12V 433mhz Wireless Water Leak Sensor Water Leakage Detector For

433MHZ Wireless Water leak Sensor Water Leakage Detector with 100cm cable For Alarm System. 1 433MHZ Wireless Water leak Sensor Water Leakage Detector(ncluded 1 12V23A battery). Use for detecting water leakage.Easy-to-used and operated.Widely for bathroom and any place where needs to protect water leakage.