450nm 1W 12V High Power Focusing Blue Laser Module Laser Engraving Accessories

Title： 450nm 1W 12V High Power Focusing Blue Laser Module Laser Engraving and Cutting TTL Module Accessories. Wavelength: 450nm Power: 1W. 1 450nm Blue Laser Module. Driver module: TTL (5V off, 0V on) Size: 33 33 65mm.

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