DEWALT DCK294L3 20-Volt MAX Li-Ion Hammer Drill 3.0 Ah/12-Volt MAX Screwdriver Combo Kit 20V Max lithium ion batteries offer longer tool run time and enhanced durability Patented 3-speed all-metal transmission matches the tool to task for fast application speeds Screwdriver has a compact, lightweight design that fits into tight areas Three LED Lights provide visibility without shadows Powered by an Energy Star qualified charger for a better environment