12V Green Beam Cross Line Laser Modules 520nm 3mW -AIMLASER
650nm 5mW Red Point / Line / Cross Laser Module Head Glass Lens Focusable Focus Adjustable Laser Diode
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