You can shut or open the valve automatically with smart phone no matter where you.. Ever if you are away from home,the mobile phone can be remotely controlled,open the watering valve to water the farmland,water the garden,and close the gas valve. Mobile phone application remote control The WiFi smart valve compatible , allows you shut-off/on your water valve via your voice. Applicable Products 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. Suitable for automatic control of water pipe ball valves,electric,manual control on and off,for Gas valve opening and closing,also suitable for self-controlling switches of valves such as liquids and other gasesses. 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., Manufacturer: HIJYMNZPQ