5mW-100mW 660nm Red Dot Laser Module, Adjustable Focus 660nm Red Lasers | Berlinlasers
660nm 250mw red laser diode module Thermal optimization design
650nm 660nm Adjusted Red Laser Line Dot Cross Laser Diode Module 3V-5.5V 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with US Power Adapter and Heatsink: Amazon.com: Industrial & Scientific
Light Red Cross Locator 660nm 100mw Laser Diode Module Focusable Beam Cross Laser Positioner For Woodworking Embroidery Machine - AliExpress