ACTIVCELL™: Patented intelligent battery and tool interaction, for maximum performance and battery protection Digital brushless motor: More power, more efficiency and 10x longer lifetime 3 speed / torque settings provide superb control over speed and power for a wide range of applications Robust 3/8″ external square drive for easy accessory changing Reverse control mode stops rotations and impact once the bolt or nut is loosened PWRCORE 20™: Industry-leading advanced battery technology, to power all SKIL ’20V Max’ tools High torque for effortless driving and removing of bolts and nuts Compact and lightweight design, for working overhead or in hard-to-reach tight areas Robust aluminium gearbox for increased durability Ergonomic design and softgrip for optimal comfort and control Belt clip for easy carrying Lithium-Ion technology: no memory effect, no self-discharge and always ready for use 360° advanced LED work light with 2 modes including torch mode with a 10-minute shut-off function KEEPCOOL™: The patented battery cooling technology that ensures up to 25% longer run time and 2x the lifetime Variable speed ensures a gentle start and full control at all times