DEWALT DCK299M2 20V MAX XR 4.0Ah Premium Cordless Hammerdrill & Impact Driver Combo Kit HAMMER DRILL: DCD996 Hammer drill features includes 3-speed levels, high performance (0-2,000 rpm), an all-metal transmission IMPACT DRIVER: DCF887 20V MAX* 1/4" impact driver provides 1,825 in-lbs of max torque at fast 0-3,250 RPM speed and 0-3,600 impacts per minute SIZE: Both units are compact and lightweight to help get into tight spots INCLUDES: Includes (2) DCB204 20V MAX* XR High Capacity Li-Ion Batteries (4.0 Ah) *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18