Pneumatic AccessoriesMaterial of parts of this air compressor: alloy, plastic. Chrome-plated metal pressure gauge. This is a canonical component.Maximum current: 16-20A.Pressure range: 90-120 psi.Male Thread Diameter: Approx. 21mm (1/2 "NPT).Valve male thread diameter: 13 mm (1/4 "NPT).1-1 / 2 "DiameterGauges: 0-180 PSI.With 2 quick connectors.Black on / off button.Automatic control, automatic loading / unloading.connect of the air tank 1/2 wire 21 mm in diameter, requires its own assembly.The compressor switch control can automatically control the air compressor pressure.If the pressure is less than 90 psi, turn on the compressor, if the pressure is more than 120 psi, turn off the compressor.Specification :Model: Bama bracket assembly Rated voltage: 220 / 380VExhaust pipe: 6MMContact method: normally closedBracket joint size: 20MMOuter diameter of pressure relief port: 9.5MMMaximum current: 20AWorking pressure: 90-125PSILife: 80,000 timesDimension:180X115*100MMPackage includes:1x Air Compressor With Pressure Switch Control ValvePackage includes: