DEWALT DCK421D2 20V MAX Lithium-Ion 4-Tool Combo Kit, 2.0Ah DCD780 20V MAX 1/2-inch drill/driver features a two-speed transmission (0-600/0-2000RPM) DCF885 20V MAX 1/4-inch impact driver features a 3-LED light ring with 20 second delay DCS393 20V MAX 6-1/2-inch circular saw features a powerful 460 MWO, 3700 RPM motor DCL040 20V MAX LED worklight delivers 110 lumens of light output (2) 20V MAX 2.0 Ah lithium-ion battery packs