Easily get accurate horizontal and vertical alignment by using one of these self-leveling cross-line laser kits. This unit is self-leveling to within +/- 6 degrees and it features a locking mechanism which protects the inner pendulum during transportation. This laser kit also has a 360 degree graduated base which allows angle layout. It emits cross line lasers and projects both vertical and horizontal laser lines simultaneously. There is a handy visual out of level indicator to let you know when the unit is out of level. The kit comes with: self-leveling laser, tinted safety glasses, elevating tripod, instruction manual with warranty cards, and hard shell carrying case.