Tuya Smart Valve Features:WiFi & ZigBee Tuya Smart Valve ControllerWiFi VERSION can work standalone!ZigBee Version need to add TUYA ZigBee Hub.A Smart Add-on for your Existing Water or Gas Ball ValveSimply 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 HomeWhen 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 ApplicationThe 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 SizeJust 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 scheduleThe 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-240VPower adapter output: DC12V 1AWiFi: 2.4GHz onlyRadio Range: 30 metersValve pressure: 1.6 metersValve pressure: 1.6MPATime off valve auto: 5-10 secondsTime off valve electric: 5-10 secondsTorque: 30-60kgf.cmPower 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.