The first function: laser level can measure whether flat or uneven paintings, etc., LV03 laser level can play three kinds of lines: a word line, cross line combined firm line (also known as moldings).
The second function: horizontal bead on laser level, to measure whether the horizontal level, LV03 Laser Level measuring more than a 45-degree angle drops
The third function: laser level comes with ring-foot (2.5 m, with inch scale).
The fourth function: LV03 laser level on the edge of the scale (15cm, 6 inches)
Another function of iron absorption can be added in the bottom of the aluminum laser level.