Air compressor pressure switch manifold assembly.product specificationsitem name: 4-port air compressor pressure switch control valve manifold assembly.operating voltage: 220v - 240v (single phase).max current (amps): 15a – 20a.pressure range: 90 – 120 psi (standard control range).maximum pressure: 175 psi (12 bar).connection ports: 4-port configuration with 1/4" bsp thread diameters.included components:1 x vertical pressure switch with auto on/off red button.1 x air pressure regulator (red knob).2 x pressure gauges (tank and output).2 x safety/release valves with red lever handles.condition: brand new