Milwaukee 4-pole frameless motor features a robust design for longer life， more power and more run time. Proprietary 2-mode Drive Control offers two speed/torque modes for more control and greater application versatility. Optimized impact mechanism delivers maximum power and application speed for greater efficiency. Redlink Intelligence provides optimized performance and overload protection using total system communication between tool， battery and charger. 1/4 In. hex quick change chuck. Features on-board fuel gauge and LED (light emitting diode) light to illuminate work surfaces. Includes an all-metal， reversible belt clip for temporary tool storage. Tool Only - battery and charger not included.