Powered by FUEL technology, the M18 FUEL 1 in. SDS plus rotary hammer delivers faster than corded speed, corded durability, and all day work on one charge. The Milwaukee POWERSTATE brushless motor provides 1.7 ft-lbs of impact energy, 0-1, 400 RPM and 0-4,900 BPM. The Milwaukee REDLITHIUM XC 4.0 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. Features: FUEL™ technology: delivers faster than corded speed, corded durability, and all day work on one charge.; POWERSTATE™ Brushless motor: provides 1.7 ft-lbs of impact energy, 0-1, 400 RPM and 0-4,900 BPM.; REDLITHIUM™ XC 4.0 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 tool, battery and charger to protect from overloading, overheating, and over-discharging.; AVS anti-vibration system: minimizes vibration for maximum comfort; In-lbs dedicated design: engineered to fit in the most confined workspaces.; Adjustable depth stop and ruler: easily and precisely adjusts for accurate hole depths.; LED light: illuminates work area to increase visibility.