Volatage: 220V/50Hz; 110V/60Hz Free Air Displacement(CFM): 2; 2. 3 Ultimate Vacuum: (Pa)0. 5; (Microns)3. 75 Motor (hp): 1/3 Rotating Speed (r/min): 1440 Intake Fitting: 1/4SAE 1/2Acme Oil capacity(ml): 250 Dimension(mm): 275X140X270 Net weight (kg): 13