Driver ventola raffreddamento DC12V modulo punti laser blu focalizzabile 445nm 450nm 2w/4w

Focusable Powerful 445nm 450nm 2000/4000mw Blue Engraving Laser Dot Module 2W/4W 12V Cooling Fan Driver. Wavelength: 450nm. Focusable :Yes. 1pc 450nm blue laser module. Output Power:2W/ 4W. Laser Shape: Dot.

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