Feature: 1. 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. 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 3. RED SWITCH KNOB CONTROL: With red switch knob, easy to operate. Possess automatic control, automatic load or unload function 4. 2 GAUGES CLEAR DISPLAY: Equipped with 2 valve gauges, easy to obtain the pressure value, clearly display the current pressure value 5. 0‑180PSI GAUGE RANGE: Rated voltage is AC 100-240V, rated current from 16A‑20A, compressor pressure gauge display 0‑180PSI Specification: Item Type: Air Compressor Pressure Valve Kit Material: Plastic + steel + brass Rated Voltage: AC 100-240V 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 Compressor2 x Valve Gauge1 x Pressure Valve