The DeWalt DW073KD is a factory reconditioned power tool. It is designed for accuracy, durability, versatility, visibility, for interior and exterior applications on both residential and commercial sites. For professionals, it is ideal for ceiling and wall installers, concrete workers, masons, remodelers and deck builders. The DW073KDR is a manually leveled rotary laser that has dual side-by-side laser diodes for an extremely bright beam and is accurate to ± 1/4 inch at a radius of 100' (±1/8 inch at 50') with a visible diameter of 200'. A long-range leveling up to 600' is possible with the digital laser detector. Laser setup is quick and easy with the tool's built-in three-in-one floor mount, adjustable rack-and-pinion wall mount and 5/8-11 inch threaded tripod insert.""""