850nm 5mw Infrared Line Laser Module DC 3V~5V

Application module:
1 can be used for sight with positioning.
2 can be used for laser testing tools.
3 can be used to locate concentricity.
4 can be used to locate medical equipment, beauty.
5 can be used to produce a signal device.
Note: This is a Infrared laser module, the dot can not be seen by bared eye, you need a camera or a special glasses to see it. The dot is not perfect circle, it is a oblong spot. Need add a heatsink for a longtime use. The 850nm laser has red bomb phonomenon. Please carefully read this statement before buying this item. This is an industrial-use/stage lighting electronic component or replacement part for laser machine or device, like laser engraving machine,laser marker, cosmetic equipment, research or labotory apparatus etc..