DEWALT DCK262M2 4.0AH 20-volt MAX XR Li-Ion ScrewGun and Impact Combo Kit DEWALT brushless motor in both units that delivers up to maximum run time Li-Ion batteries with fuel gauge provide 33-Percent more capacity over standard packs Impact driver is compact and lightweight designed to fit into tight areas, with 4,400rpm speed to provide corded performance - without the cord ScrewGun offers maximum speed and control and high torque capability for wide range of applications Belt clips on both tools