Features: Variable speed trigger provides ultimate control of the tool from 0 to 200 RPM. 3/8 square drive and built-in LED light great for work in tight and dark spaces. Ergonomic design provides comfort for long working hours and secure of control and steadiness. Comes with 2 battery packs, no longer worry about the trouble of recharging when the battery runs out. With real-time power indicator display, remaining battery can be observed clearly at a glance. Equipped with solid storage case, easy to keep the stuff organized and carry around. A perfect tool for construction, auto repair, and even home repair work.