Features 90-120 PSI ADJUSTABLE: this air compressor pressure switch and valve pressure regulator support automatic control, 120 PSI shutdown, 90 PSI open, adjustable air output, adjustable air pressure of brass coupling Adjust pressure: robust and durable, is mainly used to adjust the starting pressure and closing pressure of air compressors. The pressure control switch of the air compressor is easy to install and remove RED SWITCH BUTTON CONTROL: With red switch button, easy to use. Features automatic control, automatic charging or discharging function 2 displays, clear display: equipped with 2 valve pressure gauges that easily determine the pressure value and clearly display the current pressure value 0-180PSI measuring range: the rated voltage is AC 240V/380V, the rated current is 16A-20A, the compressor pressure indicator shows 0-180PSI 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 Push switch: 2-phase 1 connection Package list: 1 x air compressor. 2 x valve pressure gauge. 1 x pressure valve Package List 1 x Air Compressor 2 x Valve Gauge 1 x Pressure Valve