Precautions for the use of hand-held laser rangefinders
Since the handheld laser rangefinder uses laser for distance measurement, and the pulsed laser beam is a monochromatic light source with very concentrated energy, do not use your eyes to look directly at the emission port, and do not use an aiming telescope to observe the smooth reflective surface. so as not to hurt people's eyes. Be sure to measure according to the safe operation specifications in the instrument manual. When measuring in the field, do not point the transmitter port of the instrument directly at the sun to avoid burning out the photosensitive element of the instrument
