Features: APP Remote ControlSimple download APP "Smart /" on iOS and Android to add device to detect water level overflow, no hub required. Home in your hand all time. Working PrincipleWhen detector was immersed by water, sensor will beep, and 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. sensor can be installed in just a few . 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 Alarm 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/ 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) 【APP Remote Control】Simple download APP "Smart Life/" on iOS and Android to add device to detect water level overflow, no hub required. Home in your hand all time. 【Working Principle】When detector was immersed by water, sensor will beep, and 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. sensor can be installed in just a few . 【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.