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.