NEJE A40640Ⅱ 12W 450nm Zoom Laser Module - - Direct use, no air pump r – NEJE.SHOP
High Power 520nm-120 Green Line Laser Diode Module with Cooling Fan for Clothes Cutting/Wood Cutting/Mechanical Positioning (Laser Module + Adapter + Bracket), Line Lasers - Amazon Canada
12 W 405nm Free Space Laser Diode Module
GeeBat 10pcs Mini Laser Dot Diode Module Head Red 650nm 6mm 5V 5mW Diode Lasers: Amazon.com: Industrial & Scientific