1. Open/close the water valve from 0% to 100% angle through the mobile app 2. Timer and countdown functions. 3. Water consumption monitoring and temperature measurement 4. Power off protection function. 5. WIFI modulation, supports WIFI remote control, and comes with free bundled iOS/Android apps. Specification:DN20 Supports Tuya Intelligence, for Smart Life, for Alexa, and for Google Home. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Colour:As Shown Material:Plastic+Stainless Steel Package Contents: 1 * Tuya Smart WiFi Water Valve 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.