Industrial 650nm 60mW Red Laser Line Locator Module This laser locator/module has is widely used in clothes cutting, wood cutting, mechanical positioning. A clamp/holder and a AC/DC adapter are added for the user's convenience. 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.