[APP Remote Control]After connecting with the ZigBee Hub, download APP "Smart Life/Tuya" on iOS and Android to add the device to detect the water level overflow. Home security in your hand all the time. [Working Principle]When the two feet of the detector 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 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 and relaxing. Low-consumption design, which can work long time. [Wide Application]Perfect water intrusion warning for homes, apartments(kitchen, toilet), warehouses, offices, laboratory, hotel rooms, garages, etc. Note: The smart ZigBee Tuya Water Leakage Sensor must work with Tuya gateway Hub which supports ZigBee protocol. It can't work without Tuya ZigBee intelligent gateway. Type: Water Level Alarm Power Supply: 2 x AAA 1.5V(not included) Standby Current: 15uA Alarm Current: 150mA Operating Temperature: -30~ 70 Operating Humidity: 20% ~85% colour: white Material: ABS Size: 70x25x20mm Package Contents: 1 x Water Sensor 1 x English Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.