The dewalt dcd995p2 is the latest 18v xr li ion hammer drilldriver to feature xr 50ah battery technology it has a tough and rugged 3 speed all metal transmission system that provides the user with a longer runtime and tool life there is an electronic clutch that has 11 adjustable torque settings for precision screw driving and an intelligent trigger system that allows total user control over drillingdriving the 13mm ratcheting keyless chuck has an automatic spindle lock for quicker and e