The Dewalt DW083 3-beam laser pointer is a self leveling unit which is accurate to within 1/4 of an inch at 100 feet. The laser pointer features a power lock system with a single lever on/off switch, locking the pendulum in the off position for added durability. The unit also features built-in magnetic pivoting brackets that mount easily on metal surfaces, and the integrated track clearance enables users for fast and accurate bottom and top track installation. The focused laser beam keeps dot size small over longer distances for improved accuracy and visibility, with an indoor visibility range of 100 feet. The DW083K also features an over molded housing which helps to maintain calibration under tough jobsite conditions.