USB 638nm/650nm/450nm/520nm Red Blue Green Dot/Line/Cross Laser Module +Heatsink

16mm 450nm 80mW Focusable Blue Dot Laser Laser Module Diode

USB 638nm/650nm/450nm/520nm Red Blue Green Dot/Line/Cross Laser Module +Heatsink

450nm 10mw/30mw/50mw/80mw Blue Dot/Line/Cross Laser Diode Module Power & Holder

Dot/Line/Cross Beam 450nm 80mw Blue Laser Module with USB Interface 1230

Focusable 638/650/515/450nm Red Green Blue RGB Laser Diode Module Line/Cross/Dot

520nm 10mw Focusable Green Dot/Line/Cross Laser Diode Module W USB for Alignment

650nm 100mw Focusable Red Dot/Line/Cross Laser Diode Module W USB for Alignment