DEWALT-built high power, high efficiency brushless motor delivers up to 75% more runtime vs. 18v NiCad brushed motors.  XR Li-Ion batteries with fuel gauge provide 33% more capacity over standard packs.  Heavy-duty 1/2" ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength.  3-Mode LED provides lighting in dark or confined spaces up to 20X brighter than previous model.  LED Spotlight Mode features 20 minute shutoff function allowing for extended work time in dark or confined spaces.  3-speed, all-metal high performance transmission optimizes tool-to-task for fast application speeds and improved run-time.  0-450 / 0-1300 / 0-2000 RPM in drill mode, 0-500 / 0-1500 / 0-2250 RPM in hammerdrill mode and 0-38,250 BPM for fast drilling in masonry materials.  Kit includes: 20V MAX* XR Lithium Ion Brushless Premium 3-Speed Hammerdrill, (2) 20V MAX* XR High Capacity Li-Ion batteries (5.0ah), charger, belt hook, 360° side handle, and kitbox.