Material: plastic and zinc alloy and copper.Max voltage: 240V.Max current: 15amp.Max pressure: 180 psi, 12 bar. Voltage (V): 240.Diameter of female thread : 1/4 PT.Features: Durable and utility. Diameter: about 150mm -180mm.Size: 105 x 80 x 67mm. Easy to install and disassemble.With the barometer, can be set and read data. With the valve knob, you can adjust the air pressure as needed. Can help to save electric power. Shell made of strong plastic and excellent performance.The pressure switch of the air compressor is an extremely imperative part, it is used to install or connect the air compressor or the trachea, to adjust the air pressure, to start the energy and shut off the compressor motor. The main role of this valve is to regulate the stop and start pressure of the air compressor.