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High Power Focusable 12VDC 450nm 7W Blue Laser Module for Laser Engraving

High Power Focusable 12VDC 450nm 7W Blue Laser Module for Laser Engraving
Specification:1.Wavelength:450nm2.Output power:1600mw3. Electric power: 7W4.Color:Blue High Power Focusable 12VDC 450nm...