ITEM NAME:Heavy Duty Air Compressor Pressure Switch Control Valve 90 PSI -120 PSI Bla G4Y1 Heavy Duty Air Compressor Pressure Switch Control Valve 90 PSI -120 PSI Bla G4Y1 This is a great switch for miniative air compressor. It can help to save electric energy of the air compressor. Easy to install and convenient to use. There is a red ON/OFF switch knob; Auto control, Auto load/unload. Four female air inlet ports with approx. 0.4 inch / 11 mm thread diameter. Color: Black Material: metal Maximum Voltage: 240V Current: 16A Maximum Pressure: 90-120 PSI Casing Dimension(L x W x H): Approx. 82 x 82 x 52mm(3.2 x 3.2 x 2 inch) Package Content: 1x Air compressor switch control Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.