Features: 1STABLE AND SENSITIVE: Valve controller adopts semiconductor sensor, with high stability, small sensitivity drift and so on Support sensor fault detection Microprocessor intelligent control High performance and reliable semiconductor sensor control 2APPLICABLE SCENARIO: Valve controller is mainly used to the place where applicable gas(such as liquefied petroleum gas, natural gas, biogas, etc.) may leak, can detect whether the gas leaks and ensure the safety of people life 3BOTH AUTOMATIC AND MANUAL: Valve manipulator adopts electric and manual transfer clutch with innovative technology, enabling the manipulator to automatically and push the electric switch, which can manually open the valve in the event of power failure and maintenance to double safety 4SAFE INSULATION: Adopt DC or AC 12V safe voltage Automatic closing valve is fast and reliable, alarm automatically close the main valve, completely cut off the power supply, high safe, adopt insulation sealed flame retardant shell, radio interference resistant 5WIDE APPLICABLE: Easy installation, no need to change the original configuration of the gas pipeline, can be installed by yourself. Widely used in gas pipeline ball valve, gas cylinder ball valve, all kinds of connection alarms, other gas liquid valve automatic control Package included: 1 x Smart Valve Controller 4 x Accessories 1 x Adapter 1 x User Manual