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Blue 450nm 20W Optical Power Laser Module Head for CNC Laser Machine DIY Engraving Wood Tools

Blue 450nm 20W Optical Power Laser Module Head for CNC Laser Machine DIY Engraving Wood Tools
Specification:1.Wavelength:450nm2.Output power:20w3.Electric power: 80W4.Color:Blue Blue 450nm 20W Optical Power Laser...