Note:

Please keep the lens clean to make the laser beam clear and bright.
Before carrying on some laser DIY activities, please read about the technical information first and protect your eyes before laser ray.
Be sure the operator has experience in optics DIY or testing.
Without heatsink,this module has to be stopped for 15 seconds after you work on it for 45 seconds.Or it will be damaged.

Package:

1pc x Red Laser Line Diode Module 650nm 250mw 3-5V 14.5x45mm with Adapter