[APP Remote Control]Mobile phone APP Smartlife remote control, you can shut or open the valve automatically far away from home. Make life more convenient and save time. [Voice Control]The Zigbee smart valve compatible with and Home Assistant, allows you shut-off/on your water valve via your voice. [Timer Function]Set to automatically open or close the valve. Applicable to new and old gas water pipeline valves, no additional piping, users can install it themselves. [Emergency Switch]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. [Wide Application]Compatible with water pipe ball valves, electric, manual control switches, and natural/liquid/tap gas, suitable for controlling water valves, natural gas valves, filling pools, farm watering plants. Specification: WiFi Auto Control Gas/Water Valve Communication protocol: WIFI Power supply voltage: 12V/1A Wireless frequency: 2.4G Wireless distance: 60-80M Torque: 30~60kg.cm Valve size: 1/2 inch , 3/4 inch , 1 inch , 1-1/4 inch Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: DC12V Material: Plastic + Metal colour: black Package Contents: 1 x Valve controller 1 1 set x installation accessoriesd 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.