The Milwaukee M18 Fuel 2-Tool Combo Kit features a Hammer drill that runs up to 2000 RPM to offer optimum torque and an Impact driver which ensures quick torque. The one-key enabled tools are designed with advanced cordless technology and features brushless motor. Redlithium battery technology is used to increase motor life, run time and power. It allows users to provide unlimited customization and control by wirelessly connecting to the tool with a smart phone.