The Makita 18V LXT Lithium-Ion Cordless Impact Driver (model XDT11Z， tool only， battery sold separately) delivers power and speed in a compact size for a full range of driving and fastening tasks. Its part of Makitas 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. The XDT11Z features a Makita-built 4-pole motor with variable speed (0-2，900 RPM and 0-3，500 IPM) that delivers 1，460 In./Lb. of Max Torque. At only 5-3/8 long and 2.8 pounds (with battery， sold separately)， it has a compact and ergonomic design with less weight for reduced operator fatigue， and a rubberized soft grip for increased comfort on the job. The built-in LED light illuminates the job area for applications in dark spaces and close quarters. Tool Only - battery and charger not included.