Needle change type: push button Triple-Way Spray Rotate speed without load:≥350.000-400,000R.P.M Rotate air pressure:200-300Kpa High-temperature: 135 ℃ stainless steel handpiece body Noise level: ≤68 dB Under normal circumstances bearing life: 5-10 months Applicable Bur: 1.6mm and should be conformed to ISO standard Modern clipper-built designation with elegant and attractive appearance Durable fastidiously request for designation,technology and materials Packing list: Handpiece Spanner Packing Box