WOWOONE Laser Diode, 30pcs Mini Red Laser Diode Laser, 5V 650nm 5mW, Red Dot Laser Head, with Leads Head Outer Diameter 6mm: Amazon.com: Industrial & Scientific
GeeBat 10pcs Mini Laser Dot Diode Module Head Red 650nm 6mm 5V 5mW Diode Lasers: Amazon.com: Industrial & Scientific
12V Green Diode Lasers 532nm Laser Module Dot with TTL 0-30KHZ & Fan Cooling - Long Time Working: Amazon.com: Industrial & Scientific
Amazon.com: Laser Engraver Cutting Module, ANNOYTOOLS 10W Output Optical Power Diode Laser Head, Double Ultra-Fine Compressed Spot Laser Cutter Module with Air Assistance, Laser Engraver for Wood and Metal
1500mw High Power Laser Module 445/450nm 1.5W Blue Diode Dot Laser 12V/Adapter & 22x90mm: Amazon.com: Industrial & Scientific
Amazon.com: ZBAITU C80 80W Laser Module Kit, 10W Optical Diode Laser Module for Laser Engraver Cutter, 10W Laser Head for DIY Metal Wood Leather Acrylic Glass, Compatible Most Laser Engraving Cutting Machine,
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