Feature 1、【APP Remote Control】Simple 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. 2、【Working Principle】When 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. 3、【Easy to Install】No complicated installation tools are required. The sensor can be installed in just a few steps. Features: 【APP Remote Control】Simple 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 Principle】When 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 Install】No complicated installation tools are required. The sensor can be installed in just a few steps. 【Excellent Design】Tiny and fashion. Low-consumption design, which can make it work long time. 【Wide Application】Ideal water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc. Specifications: Type: Water Level Alarm Power Supply: 1*CR123A (included) Standby Current: ≤20uA Alarm Current: ≤125mA Standby Time: 2 years Wireless Type: 2.4GHz Protocol: IEEE 802.11b/g/n APP: SmartLife/Tuya Support systems: Android and IOS Waterproof: IP55 Material: Superior ABS Operating Temperature: 0℃~ 70℃ Operating Humidity: 20% ~85% Item Size: Aprox. 5.5 * 5.5 * 3.5cm(L*W*H) Item Weight: Approx. 46g / 1.62oz Package 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 Sensor 1 * Reset needle 1 * User Manual(English) Package List 1 * Water Sensor 1 * Reset needle 1 * User Manual(English)