SKIL Impact Driver Kit, Tool Only/Battery Included: Battery Included, 20 V, 1/4 in Drive, 2 Ah Battery, Hex Drive, Impacts per Minute: 0 to 3400 ipm, 0 to 2700 rpm Speed, Includes: (1) PWRCore 20 2 Ah Lithium Battery, (1) PWRJump Charger, Brushless Motor, Variable Speed Control, Lithium-Ion Battery