18V LXT lithium-ion sub-compact brushless cordless 2-piece combo kit includes: 18V LXT sub-compact brushless 1/2 In. drill-driver (XFD11ZB), 18V LXT sub-compact brushless impact driver (XDT15ZB), (2) 18V compact LXT lithium-ion 2.0 Ah battery (BL1820B), Rapid Optimum charger (DC18RC), tool bag. Features of the drill-driver include: compact and ergonomic design at only 6-3/8 In. long, weighs only 2.8 Lb. with battery for reduced operator fatigue, mechanical variable 2-speed transmission (0-500 & 0-1700 rpm) for a wide range of drilling and driving applications, brushless motor delivers 350 In./Lb. of max torque. Features of the impact driver include: compact and ergonomic design at only 5-5/16 In. long, weighs only 2.6 Lb. with battery for reduced operator fatigue, Assist Mode feature helps eliminate "screw cam-out" and "cross threading" by driving at low speed until impact begins, variable speed (0-1300/0-3000 rpm & 0-1600/0-3900 IPM) for a wide range of fastening applications, brushless motor delivers 1240 In./Lb of max torque. 18V compact LXT lithium-ion 2.0 Ah battery BL1820B features an integrated LED (light emitting diode) battery charge level indicator and reaches full charg