The DEWALT DCK285L2 20V Max Lithium Ion Compact Hammerdrill & Impact Driver Combo Kit (3.0 Ah) consists of a DEWALT 1/2" Hammerdrill, a DEWALT 1/4" Impact Driver and 2 20V Max Lithium Ion Battery Packs. The DCD785 20V MAX 1/2" Hammerdrill features two speed transmission (0-600/0-2,000), a compact and lightweight design with an ergonomic handle and a heavy-duty1/2" ratcheting chuck with carbide inserts that provide superior bit gripping strength. The DCF885 20V MAX 1/4" impact driver features a compact and lightweight design, 3 LED lights with 20 second delay to provide visibility without shadows and one-handed loading 1/4" hex chuck that accepts 1" bit tips. The DCB200 3.0 Ah 20V MAX lithium ion battery packs provide increased run time per charge maximizing productivity and has a 3-LED fuel gauge system that allows immediate feedback on state of charge. The full kit includes: (1) DCD785 1/2" Hammerdrill, (1) DCF885 1/4" Impact Driver, (2) 20V Max lithium ion battery packs, (1) Fast Charger, (2) Belt Hooks, (1) Bit Holder and Contractor Bag.