The Drill/Driver is the Most Powerful 18 V cordless drill on the market, delivering 1200 in-lb of peak torque and up to 2000 rpm, providing faster drilling speed under heavy load to increase productivity. The M18 FUEL™ 1/4 in Hex Impact Driver is the Most Powerful Impact Driver in its class at 1800 in-lb of fastening torque. M18 FUEL™ features the most advanced cordless technology available; a POWERSTATE™ Brushless Motor, REDLINK PLUS™ Electronic Intelligence and REDLITHIUM™ Battery Technology, resulting in longer motor life, more run time and more power. Both tools are ONE-KEY™ enabled, allowing users to wirelessly connect to the tool with a smart phone to provide unlimited customization and control of the tool's performance. The ONE-KEY™ Mobile app features predetermined set-ups for specific fasteners and materials, or provides complete control over output speed and power to customize the tool for the specific application at hand. Once the desired output performance is reached, the custom profile is then saved to the memory of the tool and the connection to the smart phone is no longer necessary. The tool's memory supports up to 4 custom profiles that can be easily accessed with the touch of a button on the tool.