PLS Laser PLS-60537 PLS360 Laser Level Kit, Yellow Operates on 3 d batteries for more than 55 hours Has a working range of +/- 250-Feet, and is accurate to +/- 1/8 of an inch at 100-Feet Tool comes complete with carrying case, ceiling wall bracket, operating manual, SLD laser detector, 5/8 11 tripod, grade rod, and a 1 year warranty Leveling range of 6 Degree Simplifies your work day with the press of a button Laser Class-II; Laser Type-635nm, &lt;1mW