It has 6 different programs that can be adjusted according to the doctor's needs. When the motorized file reaches the upper limit of the pre-selected torque, the rotation stops automatically. The device operates with a rechargeable lithium battery. The contra-angle handpiece can be autoclaved at 135°C. It has 6 different programs. Liquid crystal display. Operates wirelessly (cordless). Wireless charging. Long battery life for extended working time. Voltage: 220V/50Hz