Never point ant Laser tool at a person or animal or look into the beam yourself. You could cause serious injury to the eyes and in extreme cases, even blindness and this is not a toy.
Do not use Laser in explosion environment such as where flammable liquids, gases and dust are present… a Laser is very high intensity concentrated beam of light and can ignite flammable fumes or dust.
This tool is rated to measure up to about 120 meters, but this can be affected by a number of factors such as how well the laser is reflected off the target surface. The amount of ambient light, the temperature and the amount of dust in the air.