The DEWALT DCK299D1T1 20V MAX* FLEXVOLT Brushless premium hammer drill and impact Combo Kit features FLEXVOLT technology; the world’s first battery that automatically changes voltage when you change tools. The flexible battery is backwards compatible with our 20V MAX* tools so you get up to 4X the runtime. (**With FLEXVOLT 60V MAX* battery when used with DEWALT 20V MAX* tools.) You can slide the battery into a whole new lineup of 60V MAX* and 120V MAX* tools from DEWALT. This kit includes a DCD996 3-speed hammer drill and a DCF887 1/4″ impact Driver. The DCD996 20V max*1/2″ hammer drill features a 3-speed, high performance (0-2,000 RPM), all-metal transmission that optimizes tool-to-task for fast application speeds and improved run-time – designed for fast drilling in masonry materials. This hammer drill is compact (8.4″ front-to-back length) and lightweight (4.7 lb.) to fit tight areas. It also has a 3-Mode LED which provides lighting in dark or confined spaces. The DCF887 1/4″ impact Driver provides 1,825 in-lbs. of max torque at fast 0-3,250 RPM speed and 0-3,600 Impacts per minute. This Driver also features a compact size (5.3″ front-to-back length) and lightweight (3.4 lbs.) design. Kit includes: (1) DCD996 20V MAX* XR 1/2″ 3-speed hammer drill, (1) DCF887 20V MAX* XR 1/4″ impact Driver, (1) DCB203 20V MAX* XR 2.0Ah Lithium Ion battery, (1) DCB606 20V / 60V MAX* flexible 6.0Ah/2.0Ah Lithium Ion battery, (1) DCB118 20V / 60V max* fan-cooled Rapid charger, (2) belt hooks, 360 degree side handle, contractor bag.