Sharp 5.6mm GH0523AD2G Green 520nm 300mW Laser Diode _ - AliExpress Mobile
300mW Green Laser Torch from DinoDirect - Burning Stuff and Overview (HD!) - YouTube
High Power 638nm Red Line Laser Diode Module 300mw 500mw 700mw 1000mw With Cooling Fan (free With Bracket And Adapter) - Woodworking Machinery Parts - AliExpress