DIY High Power Laser 450nm 445nm 1600mW 1.6W Blue Laser Diode Module, 12V, Adjustable Focus for laser cutting and engraving
12V Industry/Lab Laser 450nm 1000mW 1W Blue Diode Laser Dot Module w/TTL & Adapter & Long Time Working: Amazon.com: Industrial & Scientific
Lasertack - New Laser Generation. 1.6W 450nm Diode Laser
450nm 30W-Standard Version ,Focal Adjustable, High Power Blue Laser Engraving Module with TTL/PWM Modulation - BeamQus
450nm 100mW Blue Laser Module Thick Laser Beam Bar Laser Light
LASER TREE 40W 20W Laser Module Head 450nm TTL PWM for Laser Engraver Blue Light | eBay
Laser Module Head 450nm Blue for Engraving Machine Cutting 80W : High Power Burning Laser Pointers,DPSS Laser Diode LD Modules, Kinds of laser products