1,3 Dimensional Adjustable Bracket and High Torsion: This electric valve controller has a 3 dimensional adjustable bracket and high torsion, enabling the robot to adapt to different models of new and old gas ball valves of DN15, DN20, DN25, DN25, DN32, DN40. 2,Easy To Install: This electric valve controller is easy to install and can be installed by yourself without changing the original configuration of the gas pipeline. 3,Electric Manual Changeover Clutch: This electric valve controller adopts innovative technology of electric and manual changeover clutch, so that the robot can automatically and push button electric switches, and can open the valve manually during power outage and maintenance, multiplying the safety. 4,Wide Application: This electric valve controller is widely used for automatic control of valves such as gas pipeline ball valves, gas cylinder ball valves, all kinds of connected alarms, other gases and liquids. 5,Safety And Reliability: This electric valve controller adopts automatic valve closing action which is fast and dependable, automatically closes the main valve in the house when alarmed, completely cuts off the power supply, and adopts insulated and sealed flame retardant housing which is very safe. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.