20V, Max XR, Lithium-Ion, Brushless, Hammer Drill Kit, High Power, High Efficiency Brushless Motor, 650 Unit UWO, Max Power For Superior Drilling & Fastening Applications Performance, Delivers Up To 57 Percent More Run Time Over Brushed, 3 Speed, High Performance, 0-2,000 RPM, All Metal Transmission Optimizes Tool To Task For Fast Application Speeds & Improved Run Time, 0-34,000 RPM For Fast Drilling In Masonry Materials, Compact, Lightweight, Fits Tight Areas, Heavy Duty 1/2" Metal Ratcheting Chuck With Carbide Inserts For Superior Bit Gripping Strength, LED Light With 20 Second Trigger Release Delay Provides Increased Visibility In Dark Or Confined Spaces, Improved LED Tool Placement Minimizes Chuck Shadows, Includes: (2) 20V Max Lithium Ion 5.0 Ah Battery Packs, Fast Charger, Belt Hook, On-Board Bit Holder, 360 Degree Side Handle & Kit Box.