High torque mode produces over 600 in.-lbs.High speed mode produces 1,700 RPM, up to 25,500 BPMDurashield Housing & unibody powertrain provide optimum reinforcement to withstand real world conditionsBosch Litheon Batteries - State-of-art Lithium-ion battery technology coupled with Bosch's proprietary ECP (Electronic Cell Protection) system guarantees the optimal performance of tool and batteries even for tough work conditionsBosch Litheon Batteries - Designed for maximum cyclelife, minimum self-discharge and not memory effect1/2" Metal Chuck for increased durabilityHigh Strength Metal Collar enhances tool durability and protection when dropped on the chuckNewly Designed Powertrain and Gears increase tool life and durabilityLED Light is great for dark or enclosed areasErgonomic two-tone soft grip handle - For extended comfort and control25 Position ClutchVariable speed trigger for complete control