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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 two feet of the detector was immersed by the water, the alert notifications will be pushed to your phone, notice water overflowing in time, reducing flooding risk. Easy to Install-No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape in just a few steps. Excellent Design-Tiny and fashion, making your home life smart and relaxing. Low-consumption design, which can make it work long time. Wide Application-Perfect water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specifications: Type: Water Level Alarm Power Supply: 2*AAA 1.5V(not included) Standby Current: 15uA Alarm Current: 150mA Wireless Type: 2.4GHz Protocol: IEEE 802.11b/g/n APP: SmartLife/Tuya Material:ABS Operating Temperature: -30℃~ 70℃ Operating Humidity: 20% ~85% Item Size: Approx. 7 * 2.5 * 2cm(L*W*H) Item Weight: Approx. 40g / 1.4oz 1xDetector