20V, Max, Lithium-Ion Hammer Drill & Impact Driver Combo Kit, 20V Max Lithium Ion Batteries Offer Longer Tool Run Time & Enhanced Durability, Patented 3 Speed All Metal Transmission Matches The Tool To Task For Fast Application Speeds, Impact Driver Has A Compact Front To Back, Lightweight Designed To Fit Into Tight Areas, 3 LED Lights With 20 Second Delay After Trigger Release Provide Visibility Without Shadows, Powered By An Energy Star Qualified Charger For A Better Environment, Includes: (2) 20V Max Lithium Ion 5.0 Ah Battery Packs, 360 Degree Side Handle & Belt Hook.