Features and Benefits:POWERSTATE Brushless Motor: Delivers maximum sustained torque to complete a variety of applicationsREDLITHIUM 2.0 Battery Technology: Superior pack construction, electronics, and performance deliver more work per charge and more work over pack life than any battery on the marketREDLINK Plus Intelligence: The most advanced system of cordless power tool electronics. Provides optimized performance and overload protection using total system communication between tool, battery and chargerDRIVE CONTROL: Two fastening modes provide variable power and speed for precision work and heavy duty applicationsThe M12 FUEL 2PC Auto Kit optimizes torque in tight spaces. The lightweight yet powerful design offers up to 3X longer motor life, up to 2X more runtime, and proprietary Milwaukee 2-Mode DRIVE CONTROL for better control over the power and speed required for specific applications. The POWERSTATE Brushless Motor outperforms all leading competitors with constant power output, yet runs cooler with no wearable components. The REDLITHIUM 2.0 Compact Battery Pack delivers up to 20% more power and 2X more recharges than standard lithium-ion batteries, as well as best-in-class performance in extreme job site conditions. The on-board fuel gauge helps you monitor the charge more accurately, so there’s less downtime on the job. REDLINK PLUS intelligence ensures optimized performance and protection from overload, overheating and over-discharge.