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12V 5W Optical Power Laser Module Head Kits 450nm 5W for Laser Carving Engraving

12V 5W Optical Power Laser Module Head Kits 450nm 5W for Laser Carving Engraving
Specification:1.Wavelength:450nm2.Output power:5000mw3.Electric power: 20W4.Color:Blue 12v 5W optical Power Laser Module...