WORX Cordless Impact Driver with Brushless Motor, Tool Only/Battery Included: Battery Included, 20 V, 1/4 in Drive, 2 Ah Battery, Impacts per Minute: 4000 bpm, 0 to 3000 rpm Speed, Includes: (1) Belt Clip, (1) #2 Screwdriver Bit, (1) Carry Bag, (1) WA3575 2 Ah Battery (1) WA3881 2 A Single Charger, Brushless Motor