LXT Lithium-Ion battery optimum charging system produces 430% total lifetime work with 2.5x more cycles. Makita built, 4-pole maximum torque motor delivers 155 ft. lbs. of torque in a compact size. Motor provides 2,100 RPM and 3,200 IPM for added muscle for tough jobs. Compact design at only 6-1/8" long and weighs only 3.4 lbs. for reduced operator fatigue. Built-in L.E.D. light illuminates the work area. Ergonomic shape fits like a glove with even pressure and easy control. Soft grip handle 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.