1、Small Sensitivity Drift: The gas pipe valve controller alarm kit uses semiconductor sensors with high stability and small sensitivity drift. 2、Electric and Manual Conversion Clutch: The gas pipe valve controller alarm kit adopts electric and manual conversion clutch, which can automatically and push button electric switch and open the valve manually in case of power failure or maintenance. 3、DC or AC 12V Safety Voltage: Automatically close the main inlet valve and completely cut off the power when alarming, using DC or AC 12V safety voltage, anti radio interference. 4、Flame Retardant Shell: Easy to install, also adopts insulated and sealed flame retardant shell, no need to change the original configuration of gas pipeline, can be installed by itself. 5、Use Scenario: The gas pipe valve controller alarm kit is mainly used in places where gas leaks may occur (such as liquefied petroleum gas, natural gas, biogas, etc.). Widely used in gas pipeline ball valves, gas cylinder ball valves, all kinds of connection alarms, etc. Electric Valve Controller Material: ABS, brass Use: Widely used in gas pipeline ball valve, gas cylinder ball valve, all kinds of connection alarm, other gas and liquid valve automatic control Basic Parameters. Working Environment: -20℃ - +60℃ Rated Current: 100mA Operating Current: 20mA-300mA Rated Power: 1.2W Working Power: 0.24W-3.6W Valve Pressure: 1.5MPa Automatic Valve Closing Time: 6-20 seconds Electric Open Valve Time: 6-20 seconds Gas Leakage Detection Alarm Material: ABS Battery: 9V 6F22 x 1 (Shipping without battery) Use: Applied to the possible occurrence of gas (such as liquefied petroleum gas, natural gas, biogas, etc.) leakage places Basic Parameters. Measuring range: 3000PPM (±1500PPM) 1 x Controller 1 x Detector 2 x Expansion Screw 2 x Screw 2 x Instruction Manual 1 x Pipe Clasp