Great product，very easy to use. √
One tool that everyone needs from the professional to the Do-It-Yourself type hobbyists √
Bright vertical and horizontal lines for layout √
Two laser lines with adjustable angle 0-180 degree for more complicated work √
Suitable for taking field measurements and checking for plumbing and level so there are no surprises later. √
Can be used for everything from installing cabinets to hanging pictures on the wall √
Backlight available √