The switch is used for the miniative air compressor to help with Save electrical energy of air compressor. One button red on/off switch, four female air inlet ports, it is easy to operate. install.<br> Features:<br> It is a good switch for mini air compressor.<br> It can help to install. Save electric energy of air compressor.<br> Easy to operate. install and convenient to use use.<br> There is a red ON/OFF button.<br> Automatic control. Automatic loading/unloading.<br> Four female air inlet ports with approx. Thread diameter 0.4 inch / 11mm.<br> Features:<br> Material: metal<br> Color black<br> Voltage: 240 V<br> Current: 16A<br> Maximum pressure: 6-12.5 Pa<br> Item size : 125 * 80 * 50mm / 4.92 * 3.15 * 1.97in<br> Package weight: 310g / 10.93 ounces Package size: 130 * 90 * 60mm / 5.12 * 3.54 * 2.36in<br> Packing List:<br> 1 * Air Compressor Switch