Features: Rated Voltage: 220V, Thread: 1/4 inch, max current: 20A. Plastic and metal construction is for tough and durable in use. Switching pressure range 0.5-0.8MPA (5-8 bar) (90-120 psi). Dual indicators clearly show the current value of the pressure. Mainly used to adjust the pressure of starting and closing the pressure of the air compressor. Specifications: Material: plastic Size: approx 18.5x10x9cm/7.3x3.9x3.5in(assembled) Rated voltage: 220V Exhaust pipe: 6MM Contact mode: normally closed Connector size: 12MM 1/4 inch Outside diameter of pressure relief port: 9.5mm Maximum current: 20A Working pressure: 5-8kg Life span: 80,000 cycles Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Air Compressor Pressure Switch