LXT Lithium-Ion battery and optimum charging system produces 430% total lifetime work with 2.5x more cycles. Makita-built 4-pole motor delivers 121 in.lbs. of torque in a compact size. Variable speed (0-1,800 RPM) for a wide range of drilling and driving applications. Compact design at only 12-3/8" long and weighs only 3.5 lbs. for reduced operator fatigue. 3/8" Keyed Metal Chuck for improved bit gripping power and a lower profile for use in close quarters applications. Built-in L.E.D. light illuminates the work area. Ergonomic shape fits like a glove with even pressure and easy control. Easy to handle large paddle switch with soft grip provides increased comfort on the job. Makita Lithium-Ion provides longer run time, 5x lower self-discharge (for use any time) & 16 firm holding contact terminals (for constant high power). 3-year warranty on tool. Battery and charger sold separately.