14.0 Amp Motor, 900-1890 BPM; Impact energy 4.4 - 18.4 ft-lbs; SDS-Max tool free bit system; variable speed dial; constant response circuitry provides soft start, constant speed under load, overload protection; service minder light indicates when service is due; 12 position bit lock for optimum work angle; padded rear handle; 360 degree auxiliary handle; includes carrying case.