20V, Max, Lithium-Ion, Cordless, 1/2" Impact Wrench With Hog Ring Anvil, Tool Only, No Battery Or Charger Included, Up To 330 FT/LB Maximum Of Fastening Torque At Only 3.48 LB, Includes The New Precision Wrench Control Feature, Which Helps Add More Control When Using The Tool In Forward & Reverse, In Forward, Will Pause Before Impacting To Help Prevent Over Tightening, In Reverse, Tool Lowers Speed When Fastener Is Loose To Help Prevent Run Off, 3 Mode Settings To Complete A Variety Of Applications, Dewalt Built Brushless Motor For Increased Efficiency & Runtime Versus Brushed Model, Variable Speed Trigger Helps To Provide Speed Control, LED Light To Help Illuminate Dimly Lit Areas, Compact & Lightweight Design For Comfort When Working In Tight Spaces.