Advanced Tuya Ultrasonic Technology: Experience the cutting-edge in water level measurement with our Tuya Ultrasonic Sensor. Known for its precise distance detection, this sensor is essential for efficient water management in residential or commercial tanks. Easy Setup and Operation: Begin by connecting the power to the adaptor, followed by the sensor. Effortless Network Integration: For network reset, simply and hold the designated button for 5 seconds until the LED light flashes . Release the button to automatically connect the device to your network. Seamless App Connectivity: your mobile's WiFi and Bluetooth are active. Open the app, and easily add the sensor to start monitoring your water tank levels instantly. Signal: 2.4G WiFi Level Rang: 0m-200m Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: As Shown Material: ABS Package Contents: 1 x Water Tank Monitor Sensor Only the above package content, other products are not included. Note: Light reflection 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.