Features 90‑120PSI ADJUSTABLE: This air compressor pressure switch and valve pressure regulator support automatic control, 120PSI cut off, 90PSI open, adjustable air output, adjustable brass coupler air pressure 2 GAUGES CLEAR DISPLAY: Equipped with 2 valve gauges, easy to obtain the pressure value, clearly display the current pressure value 0‑180PSI GAUGE RANGE: Rated voltage is AC 240V/380V, rated current from 16A‑20A, compressor pressure gauge display 0‑180PSI ADJUST PRESSURE: Rugged and durable, mainly used to adjust the starting pressure and closing pressure of air compressors. Air compressor pressure control switch is easy to install and remove RED SWITCH KNOB CONTROL: With red switch knob, easy to operate. Possess automatic control, automatic load or unload function Specification: Item Type: Air Compressor Pressure Valve Kit Material: Plastic + steel + brass Rated Voltage: AC 240V/380V Rated Current: 16A-20A Pressure Range: 90-120 PSI Compressor Pressure Gauge: 0-180 PSI Pressure Switch: 2 Phase 1 port Package List: 1 x Air Compressor 2 x Valve Gauge 1 x Pressure Valve Package List 1 x Air Compressor 2 x Valve Gauge 1 x Pressure Valve