High efficiency brushless motor means the tool lasts longer and gets more work done per charge. Three gears and electronic speed control for easy switching between different driving speeds. Ergonomic grip and trigger for maximum comfort and convenience during long periods of use. Robust 1/4" hexagonal click in chuck. Four bright LEDs around the chuck provide direct illumination of the work surface. Driving self drilling or self-tapping screws in 12 gauge sheet metal. Driving lag bolts up to 1/2" diameter in wood. Driving 1/4" diameter Kwik HUS and Kwik HUS-EZ screw anchors in concrete and masonry. Tightening and releasing nuts and bolts up to 3/8" in diameter. Drilling in wood with WDB-S spade bits. Comes with battery.