Features and Benefits: ?FUEL? technology: delivers faster than corded speed, corded durability, and all day work on one charge. ?POWERSTATE? brushless motor: provides 2.1 ft-lbs of impact energy, 0-1, 500 RPM and 0-4,400 BPM. ?REDLITHIUM? XC 5.0 battery packs: provide all day work on one charge, 20% more power and 2X more recharges than standard lithium-ion batteries. ?REDLINK Plus? intelligence: integrates full-circle communication between the tool, battery and charger to protect from overloading, overheating and over-discharging. ?In-line ergonomics provide extended reach for overhead and downward drilling applications ?Drilling mode 3-mode: rotary hammer, hammer only, rotation only ?Thin wall core bit capacity 2-1/2 in. ?Solid bit capacity 1 in. ?Blow energy 2.1 ft-lbs ?Compatible with all M18 batteries and M18 chargers Powered by FUEL? technology, the M18 FUEL? 1 in. SDS plus D-handle rotary hammer delivers faster than corded speed, corded durability and all day work on one charge. 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, 20% more power and 2X more recharges than standard lithium-ion batteries. REDLINK PLUS intelligence integrates full-circle communication between tool, battery and charger to protect from overloading, overheating and over-discharging.