1Made of high quality material, which is the nail polish professional products 2Adjust the speed change rotary knob on the host machine, which could be used for manual arbitrary speed change. ( Conversion between 0 and 35,000 turns ) 3Simple and fashionable appearance of the main engine, using a safe isolation movement 4Hand/Foot mode selectable, the foot pedal for operation available as an option 5Comes with the elegant handle with streamline design