BLACK & DECKER BDCDMT120IA MATRIX 20V DRILL and IMPACT COMBO KIT features the innovative Matrix Quick Connect System, which allows the user to add different heads for different jobs and applications. The Powerful 20v MAX* motor provides enough power for a full range of applications & attachments. This unit operates on a lithium ion battery which is always ready and holds a charge up to 18 months. The impact attachment is perfect for driving schrews and other larger fasteners with ease. The compact and lightweight design allows users to carry out drilling/driving tasks in confined spaces and with ease. Includes (1) 20v MAX Power Unit, (1) Drill/Driver attachment, (1) Impact Driver attachment, (1) 20v MAX Lithium Ion battery, (1) 20v Max Charger, (1) Double ended bit tip.