The Woodpecker Ai Endo motor is a cordless endo motor and has root canal measurement capability. It can be used as an endo motor for preparation and enlargement of root canals, or device for measuring canal length. Technical Specifications: - Speed: 100-2500RPM. - Torque: 0.4-5.0Ncm. - Charging mode: Wireless charging. - Battery capacity: 2000mAh.