... kinds of measuring tool like spirit level, laser level, digital level, laser liner, laser crossl All kinds of measuring tool like spirit ... x AAA batteries (excluded) 6) Can make dot laser, line laser (or cross laser) 7) The upper bubble neon illumination lamps fluctuate ... body3) Scale on second level4) Find accurate cross line, vertical line, horizontal line and self-leveling +/-3or 6-degree5) Chalk out ...