FUNCTIONALITY: - Super torque 350N.m high torque, more convenient tightening. - Precision-calibrated striking system Long-lasting, fine-calibrated striking overlap, more reliable for dry hammering. - Long-lasting battery life Low energy consumption and high conversion, 15C battery cell + HDC heat management system, 15% increase in range - Worry-free quality Large computing power chip + 10 kinds of intelligent security algorithms Deli quality control strictly control the quality, quality can be relied upon.