... line laser module 1.WL:635nm,650nm,658nm 2.Output power:1-100mW 3.Laser class:II,IIIa,IIIb Adjustable focus red line ... laser moduleConventional line lasers are adjusted in focus by rotating the line optics and inserting an ... laser diode,optical glass lens, driver circuit and housingBetter line qualityHigh reliability, high stability, long life,low priceApplicationsMachine ...