Feature: 1-Big size color LCD, rich information display 2-Touch button?simple and easy to use 3-Imported special motor?mute?big torque 4-Detachable handle LED lighting system?the operation Vision is more clear 5-16:1 NSK Endo-mate interchange push button contra angle 6-Effective precision motor drive and multi frequency root cannal measurement technology can simultaneously achieve root canal measurement and preparation 7-Including mainstream root canal expansion system?like Dentsply Wave one?VDW Reciproc?no need to set up?just choose and use 8-High capacity rechargeable battery