Makita 18V LXT 4.0Ah Li-Ion Cordless 2Pc Kit Hammer Drill/Impact Driver XPH10Z, XDT11Z, XT261M. Variable 2-speed 1/2" Hammer Driver-Drill (0-600 & 0-1,900 RPM/0-900 & 0-28,500 IPM) with Makita-built 4-pole motor delivers 480 in.lbs. of Max Torque; weighs only 3.9 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. 18V LXT® Lithium-Ion 4.0Ah battery BL1840B provides up to 35% more run time per charge*. 18V LXT® Lithium-Ion 4.0Ah battery BL1840B reaches a full charge in 40 minutes or less. Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging. Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature. Makita technology delivers category-leading charge time so the battery spends more time working and less time sitting on the charger. *compared to BL1830. Only use genuine Makita batteries and chargers. Includes: (1) 18V LXT® 1/2" Hammer Driver-Drill (XPH10Z). (1) 18V LXT® Impact Driver (XDT11Z). (2) 18V LXT® Lithium-Ion 4.0Ah Battery (BL1840B). (1) 18V Lithium-Ion Rapid Optimum Charger (DC18RC). (1) Tool Case.