PLS Laser PLS-60583 PLS HVR 505R Mid Range Rotary Laser Kit, Yellow/Red The HVR 505R is rugged, compact, easy to use, and very affordable Ideal for mid range outdoor horizontal and vertical layout, as well as interior acoustic ceiling and drywall installation Fully automatic, self leveling to within five degrees, has a radius range of +/ - 500-Feet, and is accurate to +/ 1/8 of an inch at 100-Feet Remote control to manage the laser from a distance, and your HVD laser detector to capture the laser beam in bright sunlight Includes the laser, remote control, carrying case, laser detector, battery charger, magnetic laser targets, wall bracket, 5/8-11 tripod, grade rod Laser Class-II; Laser Type-635nm, &lt;1mW