Features:APP Remote ControlSimple download APP Smart Life/Tuya on iOS and Android to add the device to detect the water level overflow, no hub required. Home security in your hand all the time. Working PrincipleWhen the detector was immersed by the water, the sensor will beep, and the alert notifications will be pushed to your phone, be aware of water overflowing in time, reducing flooding risk.Easy to InstallNo complicated installation tools are required. The sensor can be installed in just a few steps.Excellent DesignTiny and fashion. Low-consumption design, which can make it work long time. Wide ApplicationIdeal water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc.Specifications:Type: Water Level AlarmPower Supply: 1*CR123A (included) Standby Current: 20uAAlarm Current: 125mAStandby Time: 2 yearsWireless Type: 2.4GHzProtocol: IEEE 802.11b/g/nAPP: SmartLife/Tuya Support systems: Android and IOSWaterproof: IP55Material: Superior ABS Operating Temperature: 0~ 70Operating Humidity: 20% ~85%Item Size: Aprox. 5.5 * 5.5 * 3.5cm(L*W*H)Item Weight: Approx. 46g / 1.62ozPackage Information:Package Size: Approach. 8.3 * 8.3 * 4.1cm / 3.3 * 3.3 * 1.6in Package Weight: Approach. 68g / 2.4oz Package List:1 * Water Sensor1 * Reset needle1 * User Manual(English)