Allows you to build crossing horizontal and vertical linear projections The green beam is x4 brighter than red beams Generates 2 beams: directed vertically upwards and downwards Operating Range: 20m optical - up to 50 m with detector New design - Rubber over-molded body Pulse Mode allows for working outdoors to use a laser beam detector (not supplied) Magnetic multi-use tripod and various mounts allow the unit to be fixed to a standard or camera tripod, magnetically fixed to a metal surface, or strapped to a pipe or scaffold