At only 5-1/2in. in length and 3 lbs, the M18 FUEL 1/4in. Hex Impact Driver delivers maximum performance in a compact size. The 2653 features a POWERSTATE Brushless Motor for up to 3X longer motor life and increased power. REDLINK PLUS Electronic Intelligence allows the operator to choose between 3 fastening modes with the DRIVE CONTROL feature: Mode #1 is for precision work (0-850 RPM, 200 in-lbs of torque,) Mode # 2 helps prevent damage to fasteners and material (0-2,100 RPM, 700 in-lbs of torque) and Mode #3 delivers maximum performance for the toughest applications (0-2,900 RPM, 1600 in-lbs of torque.) In addition, REDLITHIUM Battery Packs provide up to 50% more run time and operate down to -18-deg. C /0-deg. F.