This power system is used for brain surgery and orthopedic surgeons for microsurgery milling and surgical operation. ▪controler could identifying the motor automatically and supply corresponding speed and torque. ▪swiss motor,the motor and the connecting line could be sterilized by autoclavable. ▪high speed and torque,used for neurosurgery/ENT/spinal/orthopedic operation etc. ▪warranty:one year free maintenance,and if there is quality problems about all handpieces,we'll offer a new one.