difference in wavelength in different laser cutters

powerful and reliable diode & dpss laser attachments (add-ons) with rated output from 2.1 watt (2100 mw) up to 30 watt (20000 mw) 445 nm compatible with any 3d printer / cnc machine. fast delivery. ultimate support. certified. us and russian offices. call us or text +1.239.302.00.53