Milwaukee 2796-22 M18 FUEL ONE-KEY 18-Volt Lithium-Ion Brushless Cordless Hammer Drill/Impact Driver Combo Kit 2706-20: POWERSTATE Brushless Motor delivers 1200 in. lbs. of peak torque and up to 2000 RPM. 2757-20: POWERSTATE Brushless Motor delivers 1800 in. lbs. of fastening torque. REDLINK PLUS Intelligence prevents damage to tool and battery due to overloading or overheating. REDLITHIUM batteries deliver exceptional work per charge and work over pack life. ONE-KEY enabled: allows unlimited customization and control of output speed and power via smartphone. Easily toggle between up to 4 custom performance profiles that can be saved to tool memory.