Powered by FUEL technology, the M18 FUEL 1 in. SDS-Plus D-Handle Rotary Hammer brings traditional in-line D-Handle ergonomics together with faster than corded performance, corded durability and unsurpassed run time to give users the ability to cut the cord. The Milwaukee POWERSTATE Brushless Motor provides 2.1 ft. lbs. of impact energy, 0-1,500 RPM and 0-4,400 BPM. The Milwaukee REDLITHIUM XC 5.0 Battery Packs (not included) provide all day work on one charge and the Milwaukee REDLINK PLUS Intelligence protects the tool from overloading, overheating and over-discharging. The 3-mode functionality of the tool allows for both drilling and chipping applications while the LED provides better visibility in dark work spaces.