Features: 100% brand new and high quality Applicable to new and old gas water pipeline valves, no additional piping, users can install it themselves. 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. 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. 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. The smart valve compatible with Amazon Alexa and Google-Home Assistant, allows you shut-off/on your water valve via your voice.Remote control can also be carried out using the mobile phone application. Package Includes: 1x Host Computer 1x Instructions 1x Adapter 1 Set of Tube Clamps Specifications: Specification:: EU Plug/UK Plug/US Plug Power Supply Voltage: 12V/1A Communication Technology: Wifi Bluetooth-compatible Wireless Distance (outdoor): 30m Valve Pressure: 1.6mpa Automatic Valve Closing Time: 5 ~ 10 Seconds Automatic Valve Opening Time: 5 ~ 10 Seconds Torque: 30~60kg.cm Size: As the Picture Shows note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.