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
New 80mW 450nm Blue Laser Diode PLT5450B 5.6mm TO-18 LD: Amazon.com: Industrial & Scientific