Power & Control: Up to 398 in-lbs (45Nm) max torque with a 20+1+1 grip to help prevent stripped screws and overdriving.2-Speed drive mechanism:0–420 RPM for driving/precision work and 0–1,500 RPM for faster drilling.Hammer Performance: Hammer mode delivers up to 22,500 BPM/IPM for drilling into brick and light concrete.1/2 in Keyless Chuck: Heavy-duty keyless chuck enables quick, one-hand bit changes for common drill and driver bits.Comfort in Tight Spaces: Compact, ergonomic soft-grip handle plus built-in LED light for darker work areas.Battery System Included:20V 2.0Ah Li-ion battery with overload/short-circuit protection and a 35W powerr. A full power can support up to 800 screws (depending on material and operation).