This 2-tool combo Kit includes the DCD999 20V MAX 1/2 in. Hammer Drill/Driver with Flexvolt Advantage tool technology. It gets up to 42% more power when paired with Flexvolt batteries (Flexvolt Batteries sold separately). This kit comes with one DCF887 20V MAX XR Cordless Impact driver, two DCB205 20V MAX 5.0Ah batteries, a fast charger, and kit bag.