Features: 1.This 405nmnm 5mw Fat beam laser module brings with additional cooling fans， can work for long time. 2.For red laser pointer， laser flashlight， laser positioning， measuring distances， medical equipment and other electronic production enthusiasts!
Please note: 1.Please protect the lens and keep it clean and avoid dust 2.Please avoid direct eye exposure to the laser beam and wear 405nm protection glasses when your operate this laser module. 3.At room temperature (25 ℃) Sustainable lit 24 hours. Turn off heating when the machine use again， it is good for product life.
