The Makita 18V LXT Lithium-Ion cordless 1/2 In. Hammer Driver-Drill (tool only) combines speed and torque in a compact size. For increased versatility, it can be run as a driver-drill or a Hammer Driver-Drill, and is engineered for applications in wood, metal, masonry, and concrete. The Makita-built four-pole motor that delivers 480 in. lbs. Of max torque and up to 1,900 RPM and 28,500 BPM in the high-speed setting. It weighs only 3.4 lbs. (with battery, sold separately) for increased comfort. With Extreme Protection Technology (XPT), the drill is engineered for increased dust and water resistance and is ideal for use in harsh jobsite conditions. Its part of Makita's expanding 18V Lithium-Ion series, the worlds largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created STAR Protection computer controls. STAR Protection is communication technology that allows the star Protection-equipped tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by Makita 18V LXT and compact Lithium-Ion batteries with the star symbol on the battery indicating STAR Protection inside.