Osram 100mW 450nm PLT5 450B Blue Laser Diode TO-56
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
405nm 100mw Violet Blue Laser Diode Module Focusable 5V Laser Dot Diode Module 12mm x 45mm with AC Adapter: Amazon.com: Industrial & Scientific