2.Hand / Foot speed control system
3.0~40,000rpm high-powered brushless motor
4.Desk top type,ergonomic design,excellent durability
5.Low noise and vibration:no need of carbon brush minimized bearing's abrasion.
6.Self-diagnosis, Error display function:against malfunction, breakdown or overload, it diagnoses by itself and shows the error code in RPM disply box.
7.Work memory storage:storing the status of the last work assists to have efficiensy in repeat work.