Features 1、EASY TO ADJUST: The pressure switch control valve is equipped with a barometer to set and read data. With valve knobs, you can adjust atmospheric pressure as needed to help save power 2、ACCURATE AIR CONTROL: The air compressor pressure switch enable accurate air control for optimal results. Standard intake and outlet ports are suitable for almost any type 3、IMPORTANT ACCESSORIES: Air compressor pressure switch is a very necessary component when installing or connecting air compressor or air hose, the main role of the valve is to adjust the stop and start pressure of the air compressor 4、STRONG AND ENERGY SAVING: The air compressor pressure switch has high strength and long service life, which can save the electric energy of the air compressor 5、EASY INSTALLATION AND DISASSEMBLY: The air compressor pressure switch has clear threads and no burrs on the surface, easy to disassemble and install Specification Item Type: Air Compressor Pressure Switch Material: Zinc alloy, brass, ABS Specification: Exhaust Pipe: Approx. 6mm / 0.24in Contact Mode: Normally closed Support Joint Size: Approx. 20mm / 0.79in Maximum Current: 15A Working Pressure: 0~180PSI(0~12BAR)(0.5-0.8MPA) Life: 80,000 Times Package List 2 x Push Pull Valve 2 x Black Cap Gauge 1 x Switch 1 x CE Valve