DCD805B: Designed to help you complete demanding fastening and drilling projects, this 20V MAX XR Brushless 1/2 in. Hammer Drill/Driver delivers the durability and performance professionals need on jobsite. Quickly drive fasteners into material with its powerful brushless motor, which outputs up to 40% more Unit Watts Out compared to DCD796B using DCB205 battery or DCBP034 DEWALT POWERSTACK battery (sold separately). Speed through masonry drilling applications with up to 34,000 bpm thanks to an integrated hammer mode function. This lightweight, well-balanced Hammer Drill/Driver was built compact to help users comfortably work in tight spaces for extended periods of time. The 3-position, pivoting LED is designed to enhance visibility in dimly lit work areas with its 3 mode settings and up to 70 Lumens of brightness. DCB206CZ: This battery pack will let your DEWALT 20-Volt Tools keep working longer between charges. The 6.0 Amp hour capacity provides extended run time. To be used with your 20-Volt MAX tools and accessories. Includes (1) charger. Includes DCD805B and DCB206CZ.