Violet/Blue 405nm 20mW Dot Line Cross Focusable Laser Diode Module Driver 3-5V

405nm 20mW Violet/Blue Dot Line Cross Laser Diode Module. 1x 405nm 20mw Laser Diode Module. Output Power: 20mW. For close range using. Laser Shape:Dot/Line/Cross. Laser reflects blue/violet light depend on materials.

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