Determine the color and function of the pointer

Determine the color and function of the pointer

During the presentation, which color do you like? Generally, the most common colors for laser pointers are red, yellow, green and blue. Different colors produce different wavelengths. The wavelength of the strongest light produced by blue is 473nm, followed by green 532nm laser and yellow 635nm. The weakest light produced by red is at 650nm. Remind you to decide the color according to your needs. In addition, if you need LED lights, you must look for indicators with strong LED bulbs.
 

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