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In any type of highly clear and accurate dot alignment in various industrial and high tech work fields, it is operating easy and quick with a Berlinlasers 635nm red laser diode module. It is projecting pure and bright red laser light from a 635nm red laser diode within 5mW to 100mW. Cooperating with qualified glass coated lens and glass window, it is working well with high transmittance red laser light and highly clear red dot alignment under moisture or dust as well. This 635nm red laser diode module applies different size... more