This is a kind of fine quality level instrument, 4D 16 line for finer positioning, with self-leveling system, flexibility and stability. With vertical and horizontal laser lines, convenience to use. It is perfect for a variety of uses including flooring, tile layout, wall paneling, wallpaper, stencil, wall paneling, finish carpentry, wall stud layout, and wall stud installation. partitions. You can try. Features: 4D 16 lines for finer positioning, with self-leveling system, flexibility and stability. Self-leveling function can conquer a small sturdy place such as 3 °, on 3 ° the laser light will keep flashing to remind you to put it on a flat place. Alarm function beyond the safety range. Magnetically damped compensation system guarantees fast leveling time. The 360 ° rotating base, and equipped with the fine adjustment mechanism, can make the machine quickly find the target. 1/4 "screw size for easy connection, it can be used with a tripod to adjust the working height of the machine. A 360 ° horizontal line can be drawn on the wall. Two vertical lines can be drawn on the wall. leaning function, it can be applied in a slanted position as the building at the stage. with fixed distance to 7mm wall, generally for indoor and outdoor use. Three tactile buttons, one outside / open button, one V button and one H button, the slashline, horizontal line and vertical line with a clear division. (OUT = slashline) Comes with remote control, A = vertical line, B = horizontal line. The button is wear-resistant, with high sensitivity to change line mode quickly and comfortable hand feeling. Easy to carry with the case, providing quick and convenient mobility and storage. Note: Please do not let the laser line shoot directly at your eyes.