1.Slim for clearer sight
2.Keyboard operating,easy to use
3.Original switzerland surgical brushless motor
4.File rotates clockwise when touque disappears
5.Detachable 1:1 mini contra angle,multi-angle
6.can be autoclaved sterilization
7.Rotation speed and torque can be programmedto5 settings
8.Reciprocating cutting mode
9.Non-contact rechange design
10.Auto power off and memory function