Description:  
125PSI Air Compressor Pressure Valve Switch Control Manifold Regulator Gauges
 - There is a red ON/OFF switch knob， convenient design for use.- Auto control， Auto load/unload. Pressure lower than 90PSI， turn on the compressor. Pressure over 120PSI， turn off the compressor.

Specifications:
 Colour: As shownMaterial: Plastic， Electroplating Aluminium， IronMaximum Voltage of Switch: 240VMax AMP Rating of Switch: 20APressure Switch control range: 95-125 PSIRelief Regulator adjust Pressure Range: 30-120PSISize:(Length x Width x Height)16cm x 10.5cm x 13cm / 6.3" x 4.1" x 5.1"Inlet and Outlet Port: 1cm/0.4" Package Included:
 1 x Air Compressor Pressure Valve Switch

Details pictures: