Compressed medium: Air Working pressure: 30Mpa(300bar, 4500psi) Exhaust volume: 50L/min Power: 1.8KW Driving voltage: 220V 60HZ or 110V 60HZ Speed: 1800r/min Cooling method: Water cooling Gas storage tank: No air tank Overall dimensions: 360180370(mm) Pressure control: manual, pressure gauge setting, digital setting(optional).