LOOYUAN New Heavy Duty Air Compressor Pressure Switch Control Valve 90 PSI -120 PSI 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 Maximum Voltage: 240V Current: 16A Maximum Pressure: 90-120 PSI Casing Dimension (L x W x H): Approx. 85 x 75 x 45mm Color: Black