The Lowest Production Cost 5mW to 100mW Economy Red Dot Laser Alignments
When dot measurement is processing at various work distance, not the same as a simple red laser pointer only used for temporary dot positioning work, economy red dot laser alignment always makes sure of highly stable and clear red dot measurement at various work distances. It should only be selecting with correct output power. Without the use of sunlight, within freely installed distance of 3 meters, this 650nm red laser assures no track and no barrier dot measurement for all precise device manufacturing works perfectly.
https://www.berlinlasers.com/economy-red-dot-projecting-laser-alignment