LWPRO: LWPRO series. LWPRO green 20mW 520nm M18x1 line laser. -M18x1: mount with M18x1 thread. -520: wavelength 520nm. Mounting:M18x1 male thread. Different color and wavelength - covering a wide range, including 375nm, 395nm, 405nm, 425nm, 450nm, 462nm, 473nm, 488nm, 505nm, 520nm, 638nm, 660nm, 675nm, 690nm, 705nm, 730nm, 785nm, 808nm, 830nm, 850nm, 905nm, 940nm, 980nm.
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