The DeWALT Impact Wrench Kit includes (1) DCF889 Impact Wrench, (2) 20V MAX XR Lithium-ion batteries, (1) fast charger, and (1) kit box. The wrench performs a wide range of heavy-duty fastening applications with 400 ft-lbs of maximum torque. The wrench features improved control on the jobsite with variable speed trigger and electric brake as well as extended durability with a magnesium gear case and all metal transmission. The LED light illuminates dark work areas. The Li-Ion batteries offer 33% more capacity over standard battery packs.