Feature:1. MAIN FUNCTION: Pressure switch of the air compressor is a necessary component when installing or connecting the air compressor or air hose. The main function of the valve is to regulate the stop and start pressure of the air compressor.2. FINE WORKMANSHIP: Accurate air control can be achieved for optimal results. Standard inlet and outlet ports are suitable for almost any type.3. EASY TO USE: Equipped with a barometer, data can be set and read. Equipped with a valve knob, the atmospheric pressure can be adjusted as needed. Can help save electricity.4. EXCELLENT PERFORMANCE: Strong strength, long service life; Clear threads and no burrs on the surface; Easy to disassemble and install.5. IDEAL REPLACEMENT: Premium material and accurate performance make the pressure switch set an ideal replacement for the old and damaged parts, for better work performance.Specification:Item Type: Air Compressor Pressure Switch Control Valve Material: Zinc Alloy, Brass, ABSSpecifications:Switch Pressure Range: 0.5 to 0.8MPA (0 to 12BAR) (0 to 180PSI).Package List:1 x Pressure Switch 1 x Valve 2 x Meter2 x Joint