Makita XT263M 18V LXT Lithium-Ion Cordless 2-Pc. Combo Kit (4.0Ah) Variable 2-speed 1/2" hammer Driver-Drill (0-400 & 0-2,000 RPM) with Makita-built 4-pole motor delivers 750 in. Lbs. Of max torque; weighs only 5.1 lbs. With battery Variable speed impact driver (0-2,900 RPM & 0-3,500 IPM) provides 1,460 in. Lbs. Of max torque; weighs only 3.3 lbs. With battery Hammer Driver-Drill and impact driver both feature extreme protection technology (XPT) which is engineered to provide increased dust and water resistance in harsh job site conditions Equipped with Star protection computer Controls to protect against overloading, over-discharging and over-heating 18V LXT Lithium-Ion 4.0Ah battery BL1840B features an integrated L.E.D. Battery charge level indicator