Item Type: PCP Air Compressor Pump Type: High pressure air(HPA) compressor(for drying compressed air only) Maximum Inflation Pressure: 300BAR(4500psi/30MPa) Maximum Inflation Capacity: 0.5L(500cc) Inflation Rate(0.5L): 0-300BAR about 25 minutes Compression Limiter: User chooses to close manually Working Voltage: DC12V(can be powered by DC12V vehicle battery) Cooling System: Fan air cooling Filter System: Filter with replaceable drying medium and dust filter Air Hose: For foster type 8mm quick connector available Transformer: Not include. 1 x DC12V Line(for car batteries).