Tuya Smart Valve Features: WiFi & ZigBee Tuya Smart Valve Controller WiFi VERSION can work standalone! ZigBee Version need to add TUYA ZigBee Hub. A Smart Add-on for your Existing Water or Gas Ball Valve Simply add this smart valve controller to your water valve or gas shutoff valve, you can simple control the water supply or turn off gas valve from anywhere at any time with your smartphone, using free Smart Life app. Works with Amazon Alexa and Google Home When paired with the Amazon Alexa or Google Assistant, the smart shut off valve gives you hands - free voice control over your home. Voice Command: "Hey, Google, Turn ON/OFF DEVICE NAME" "Alexa, Turn ON/OFF DEVICE NAME" Wide Application The smart shut off valve is compatible with water pipe ball valves, electric/ manual control switches, and natural/ liquid/ tap gas valve. Enjoy home automation like automatic irrigation of garden, farmland; timing water supply for feeding farm, stockyards; remote control the gas valve when you are leaving home in haste. Easy Installation & Pipe Size Just need screw to fix over your existing levered ball valve, no addition plumbing required. With specially designed metal clamping ring, it is adjustable to compatible with most widely used pipe size like 1/2", 3/4", 1" Share with your families and set time schedule The smart controller allows you to setup multiple users, and you can also set time schedule to turn on/ off your garden yard sprinkler at certain time. Specifications: Power adapter input: 100V-240V Power adapter output: DC12V 1A WiFi: 2.4GHz only Radio Range: 30 meters Valve pressure: 1.6 meters Valve pressure: 1.6MPA Time off valve auto: 5-10 seconds Time off valve electric: 5-10 seconds Torque: 30-60kgf.cm Power cord: 2.3 meters (0.9 meter from power adapter, 1.4 meter from the body) Power cord extendable with 5.5x2.1mm size DC male-famale cord.