220V 50HZ 5.5CFM 1560L/min; 110V 60HZ 6.6CFM 188L/min Ultimate Vacuum: 10PA/75Microns ; Power: 1/2 HP Rotating Speed: 220W/50HZ 1440 r/min; 110W/60HZ 1720r/min Inlet Port: 1/4 SAE; Oil Capacity: 320; Size: 340*135*260 mm Weight:9.8KG