Feature: 1. Sensitive Sensor: Equipped with semi conductor sensor, the valve controller has high accuracy and stability, and little sensitivity drift. 2. Fast in Response: Working under 12V DC, the valve switch will alarm while auto shut down the valve and cut off the power, high in safety. 3. Simple Operation: Supports automatic operation, the water valve controller also has button switch for easy manual operation in maintenance. 4. Wide Application: Widely applied to automatic control of gas pipeline ball valve, gas cylinder ball valve, various connection alarm, etc. 5. Quick to Install: Light in weight and compact in size as well, the valve control switch is easy to install without pipeline modification. Specification: Item Type: Valve Controller Material: ABS, aluminum alloy. Use: Widely applicable for automatic control of gas pipeline ball valves, gas cylinder ball valves, various connection alarms, and other gas and liquid valves. Rated Voltage: 12V DC Nominal Pressure PN: 0.4MPa Maximum Working Pressure: 50kPa. Package List: 1 x Valve Controller1 x User Manual