It has a powerful micro_motor hand piece light constructer of durable stainless steel,with sealed bearings that make it unbelievably smooth and quiet when operatin. With a speed of 35,000 R.P.M. made this model top of the line. With this maximum speed and a fine carbide bit you can finish the nails fast and super smooth (safe time for buffing).
Supply circuit:110/220/240v 50-60HZ