Brushless Micro Motor 1. This brushless micro motor is designed for clinical use, teeth/jewerly polishing, and otherprecise polishing. 2. Itworks with Straight handpieceor contra angle handpiece, Please adjust the speed of the micro motor to match the speed of the handpiece. 3. Specification ModelVoltagePowerSpeedBrushFAW-EM220v,50Hz / 110v, 60Hz30w, 1A1000 30000rpmBrushless Foot switch Clockwise & anticlockwise Note: Straight handpiece& contra angle handpiece are optional part.