Specifications: Power: 1/3 HP Voltage: 220-240V / 50HZ 110-120V, 220V / 60HZ Air output per min./litters: 30~35L/min Double switch: switch 1: Auto stop, start at 3BAR, stop at 4BAR switch 2: Max pressure at 6 BAR. Safety valve: release the air pressure automatically when the pressure over 6 BAR in the air tank. Pressure adjust range: 0.2~6 BAR Air tank: 3.5L Fitting: manometer; pressure regulator; air filter Connections: with connection 1/8 BSP Net Weight: 7.2KG Dimension: 320X135X350MM Certificate: CE Features: Twin Cylinder Piston Compressor Powerful and high air flow, low noise. Thermally protected. Auto release pressure and restart function. Constant pressure and Zero pulsation. Double switch: switch 1: Auto stop at 4BAR switch 2: Max pressure at 6 BAR.