With 1mW permanent power output, you don't have to worry about school education, university lectures, exhibitions, lectures, and astronomy. The 1mW Class II blue invisible beam laser pointer will not cause damage to human eyes or skin. Beam or point. Under normal circumstances, the output of the 1000mw laser pointer should be designed with a thin line of 0.5mm and a working distance of 0.5m. To ensure that the red line is super clear and clear, this green laser pointer is always equipped with an optical glass lens. This certified 2000mW laser pointer always performs best on a clear and accurate target surface. This energy transfer requires only a small fraction of the solar rod colors (red and blue).
The recommendation of this 635nm green laser pointer is less obvious than the green invisible beam laser pointer, and it is sufficient for formal demonstrations in school education, star positioning and astronomical research. You do not need to wear laser protective glasses. In addition, do not point any type of laser pointer at moving vehicles, airplanes or airplanes. There is a huge and sharp laser beam that can dazzle the eyes temporarily. Whenever people point to a pen-type laser device, don't give it to the bad guys or overuse it.