Adjustable speed range from 3,000 to 8,500 RPM. The use of a BL (Brushless) motor allows for more efficient use of battery capacity compared to conventional electric motors. ADT (Automatic Torque Drive Technology): speed and torque are automatically adjusted. Battery capacity indicator. Lithium-ion battery with computer-controlled charging technology. Electronic current limiter with warning light enables consistent operation while monitoring motor load. Start lock with warning light prevents the machine from starting when the battery is inserted and activates when the capacity is low. Non-slip motor housing with rubber padding. Equipped with an electronic motor brake. AFT shuts off the motor when the speed suddenly decreases or the disc stops. Comes in a Makpac transport case with two 5.0 Ah batteries and a fast charger.