Dewalt, 12V, Cordless XRP Drill/Driver, 2 Times Batteries, Dewalt Built High Power, High Efficiency Motor Delivers Maximum Performance In All Drilling & Fastening Applications, XRP Extended Run-Time Batteries Provide Long Run Time & Battery Life, Patented 3 Speed All Metal Transmission Matches The Speed To The Application For Optimal Performance, Heavy Duty 1/2" Axial Locking Chuck Locks The Sleeve To Prevent Bits From Slipping & Falling Out, Preferred Ergonomics Provides Optimal Balance, Size & Weight.