Tuya Smart WiFi Valve Robot Water Valve Leakage Gas Switch Remote Control Features: WiFi valve can be used with wifi alone,NO gateway required. Mobile phone application remote control The smart valve compatible withvoice control,allows you shut-off/on your water valve via your voice Compatible with water pipe ball valves,timing Auto/manual/App remote control switches, Set the time to automatically open or close the valve In order to prevent power outages caused by the inability to use,there is a manual clutch at the bottom of the unit with a pull ring,which allows to move the lever to close or open the valve Applicable to new and old gas water pipeline valves, no additional piping, users can install it themselves Specifications: Power supply voltage: 12V / 2A Communication technology:WiFi Valve pressure: 1.6Mpa suitable pipe specifications: 1/2 inches, 3/4 inches(DN15 DN20) Automatic valve closing time: 5 ~ 10 seconds Automatic valve opening time: 5 ~ 10 seconds Torque: 30 ~ 60kg.cm Application: (downloadable: Smart Life / Tuya Smart APP) Valve Type: Handle Valve Switch Package Includes: 1 * host 1 * Instructions 1 * adapter 1*Set of tube clamps Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.