18V, LXT Lithium-Ion, Brushless, Cordless Impact Driver, Tool Only, Efficient BL Brushless Motor Is Electronically Controlled To Optimize Battery Energy Use For Up To 50 Percent Longer Run Time Per Charge, Eliminates Carbon Brushes, Enabling The Motor To Run Cooler & More Efficiently For Longer Life, Uses Energy To Match Torque & RPM To The Changing Demands Of The Application, Delivers 1,420 INLB Of Maximum Torque, Variable Speed, 0-2,500 RPM & 0-3,200 IPM, For A Wide Range Of Fastening Applications, Compact Design, Convenient 1/4" Hex Chuck For Quick Bit Changes, Built In LED Light Illuminates The Work Area, Includes Tool Belt Clip. Battery And Charger Sold Separately, For Replacement Battery & Charger Use TV #814-303 & TV #814-317.