Water Leak Detector Ourjob Alarm Surveillance Systems Detectors for Home Security, Kitchen，Bathroom, Basement (3PCS)

✔Sound and light alarm -- When there’s a water leaking in some places like kitchen, bathroom..., the water sensor can detect water, and immediately prompt with real-time sound and light alarmto notify you. ✔Working principle -- The bottom of the sensor contains 4 highly sensitive gold-plated probes which set off the alarm. 2 of the 4 detection electrodes detect water, the water detector will alarm.The device red light flashes and give out 'bip bip' sound. ✔Water-proof -- The detector will float if the leaking water is too full. Fully enclosed waterproof housing no need to worry water leak into the inner electronic parts. Dry the water stains to stop the alarm. ✔Widely used -- Used to monitor leaking water of e.g. leaking sink drain, leaking Central A/C, leaking washing machine hose, leaking hot water heater and a leaking hot water recirculating pump and other water prone areas. ✔Easy to use and Re-Useable -- No wires to hook up, flexible use.Before using this product, please gently pull off the insulation sheet and place it wherever you need to place it. one pcs can be used for a year under normal condition, dependent upon battery life. The battery can be changed when alarm sound is slow, Unscrew the fastening screws at the bottom of device to replace the battery., Weight: 0.1325 pounds, Manufacturer: YCD