· Our most powerful 20V MAX hammer drill - take on a wide range of demanding applications with our most powerful hammer drill.· Help maximize control - equipped with the anti-rotation system that senses the rotational motion of the tool and shuts it down if the motion is excessive. The red LED indicator illuminates when the anti-rotation system is engaged.· Advanced maneuverability - access and maneuver in tight areas with the shortest length DEWALT premium 3-speed drill.· 3-speed high-performance transmission - help optimize runtime and performance with an all metal transmission.