| This is a kind of fine quality level instrument, 4D 16 lines for finer positioning, with self-leveling system, flexibility and stability. With vertical and horizontal laserlines, convenience to use. It is perfect for a variety of uses, including flooring, tile layout, paneling, wallpapering, stenciling, wainscoting, finish carpentry, socket and switch layout, wall stud layout and partition installation.?You can have a try. Features: 4D 16 lines for finer positioning, with self-leveling system, flexibility and stability. Self-leveling function can conquer small rugged place such as 3 degrees , over 3 degrees the laser light will keep blinking to remind you to put it on a flat place. Alarm | |