Violet/Blue 405nm 500mW Adjustable Focus Dot 12V single mode Laser Diode Module

405nm 500mW Violet/Blue Adjustable Focus Dot 12V single mode Laser Diode Module. not suitable for long distance using. 1x 500mw 405nm Laser Diode Module. Wavelength: 405nm. Spot mode: DOT. Optical Lens： Φ6.33.

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