Air-to-electric conversion system that pairs perfectly with the innovative COMFORTdrive 200XDR high-speed handpiece. System has increased speed range for low-speed applications. Constant torque and constant speed at high load. Perfect balance of the system, due to its lightweight motor and tube. SMARTdrive™ sensorless control allows a higher torque. Dynamic speed regulation allows consistent bur speed, even with variable incoming air pressure. Integrated water filter. Easy to upgrade with the modular system design. 3-year warranty.