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 two feet of the detector was immersed by the water, 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 with double-sided adhesive tape or screws (included) in just a few steps. Excellent DesignTiny and fashion. Low-consumption design, which can make it work long time. Ideal water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc. IFTTTCompatible with IFTTT, making your home life smart and relaxing. Specifications: Type: Water Level Alarm Power Supply: 2*AAA 1.5V(not included) Standby Current: 10uA Alarm Current: 10mA Wireless Range: 50m(open area) Wireless Type: 2.4GHz Protocol: IEEE 802.11b/g/n APP: SmartLife/Tuya Material: Superior ABS Operating Temperature: -30~ 70 Operating Humidity: 20% ~85% Item Size: Approx. 9.5 * 4 * 2cm(L*W*H) Item Weight: Approx. 51g / 1.8oz Package Information: Package Size: Approach. 10.1 * 5.8 * 2.5cm / 4 * 2.3 * 1in Package Weight: Approach. 65g / 2.3oz Package List: 1 * Water Sensor 1 * Set of Sticker 1 * Set of Mounting Screws 1 * User Manual(English)