"Get more power with the 20V MAX* brushless tools featuring DEWALT FLEXVOLT ADVANTAGE technology. This Cordless Hammer Drill has a 1/2-inch chuck and provides up to 42% more power when used with a DCB606 FLEXVOLT Battery compared to a DCB205 20V MAX* 5.0Ah Battery. Please note that the battery and charger are not included and must be purchased separately." DEWALT 20V hammer drill has up to 42% more power** when paired with FLEXVOLT batteries The cordless hammer drill is compatible with all DEWALT 20V MAX* and FLEXVOLT Batteries GREAT BIT GRIP: Heavy-duty 1/2-inch ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength 20X BRIGHTER LED: 3-mode LED provides lighting in dark or confined spaces up to 20x brighter than the DEWALT DCD985 EXTENDED WORK TIME WITH LED: Spotlight mode features 20-minute shutoff function, allowing for extended work time in dark or confined spaces Tool Connect Chip Ready: Chip pocket accepts Tool Connect Chip DCE042 and connects with Tool Connect Site Manager app for easy asset management on the jobsite. (DCE042 sold separately) OPTIMIZE TOOL to task with 3-speed transmission