Feature●SAFETY & HIGH VISIBILITY & ACCURACY - Safety level-Class II, <5mW power output. The green laser level line is 5x brightness than the red beam, which can provide a working distance of up to 150ft, available outdoors.●Laser Projection - These devices project a visible or invisible laser beam onto surfaces, creating a clear reference line across walls, floors, or ceilings. This projected line aids in aligning and positioning objects with precision.●Multiple Applications - Laser levelers are versatile tools used for a range of tasks, including hanging pictures, installing shelves, tiling, and aligning doors and windows. Theyre valuable in both indoor and outdoor projects.Description