Main Features:  1. Tuya Smart ZBWater Leakage Detector: A Tuya ZB Wireless Gateway Hub is a must to work with the flood sensor,as well as a variety of ZB smart products, which is proved to be the bridge and control center for smart homes and plays an irreplaceable role for ZigBee products and realizes the whole linkage of your house.Simply add the sensor into the ZB hub after adding the hub into Smart Life/Tuya App.  2. A water immersion sensor that detects water leakage in the environment in real time.Whenever and wherever you are, once flood sensor detects water overflow or water leak, you will receive a notification by smart phones with Smart Life Tuya App compatible.  3. Keep your house safe all the time.A really good assistant for your smart house,no more worry about the flood with the sensitive sensing,protecting your home and valuables from annoying leaks and dangerous floods,whether it's a dripping sink under the bathroom cabinet,a burst pipe in the basement,or a severe weather event. And even track history of sensor activities in App to get much more intelligence and convenience.  4. Wide Applications: Apply the smart flood sensor to different scenes,your garage,bathroom,kitchen and anywhere with water you like,keeping your house away from flood danger with a linkage of the smart flood sensor.(Note:Use the sensor with your smart valve together to intelligently control the irrigation condition,which enables real-time monitor and the valve will close automatically when water leaks.)  5. Low power design and long battery life for this ZB new version with low voltage monitoring prompt function available,as well as low battery alert.Easy installation with double-side tape available for sticking it anywhere you like;includes full 2-year warranty and 60-day refund guarantee for complete satisfaction.    Specifications:  Type: Water Level Alarm;  Power Supply: 3V 1*CR2032;  Standby Time: 2 years;  Protocol: ZB;  APP: SmartLife/Tuya;  Support systems: Android and IOS;  Waterproof: IP66;  Material: ABS;  Operating Temperature: -10℃~+55℃;  Item Size: 50*18mm;    Package included:  1 x Water Sensor;  1 x Manual