This is a great switch for miniative air compressor.
It can help to save electric energy of the air compressor.
Easy to install and convenient to use.
There is a red ON/OFF switch knob; Auto control, Auto load/unload.
Four female air inlet ports with approx. 12 mm thread diameter.
Color: Black
Material: metal
Maximum Voltage: 220V
Maximum Pressure: 71-113 PSI
Package Content:
1x Air compressor switch control

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.