Needle change type: push button Applicable Bur: 1.6mm and should be conformed to ISO standard Single water spary Rotate speed without load:350000 r/min Rotate air pressure:108-245Kap High-temperature: 135 ℃ Noise level: ≤68 dB Modern clipper-built designation with elegant and attractive appearance Durable fastidiously request for designation, technology and materials Packing list: Handpieces spanner