Rated voltage: 110V, 60HZ. Air pressure:4KG/ cm2 -8kg/cm2. Work pressure:2.2KG/ cm2 -2.5kg/cm2. Motor parameters Rated voltage :12V. Motor parameters Rrated power:6W. Motor parameters speed:3000rmp/min. All items are in brand new condition unless specified. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. All of our products are CE approved. Please kindly check the copy of the certificate in the listing below. 510(K)Number: K161892.