At only 5-1/2" in length, the M18 FUEL 1/4" Hex Impact Driver delivers maximum performance in a compact size. Features a POWERSTATE brushless motor for up to 3 times 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 to 850 rpm (revolutions per minute), 200 in/lb of torque), Mode #2 helps prevent damage to fasteners and material (0 to 2100 rpm, 1600 in/lb of torque). Mode #3 delivers maximum performance for the toughest applications (0 to 2900 rpm, 1600 in/lb of torque). RedLithium battery packs provide up to 50\% more run time and operate down to -18 deg C/0 deg F. Kit includes impact driver, (2) M18 REDLITHIUM XC high-capacity battery packs, 1 hour multivoltage charger, belt clip, and carrying case.