... (OPT) is the upgrade of E-light. Because of its good treatment effect, and less postoperative complication, it is the ... Birthmarks.Wrinkle Removal, such as face, neck and hand wrinkle, stretch marks and growth linesFacial Whitening Rejuvenation, Shrinking Pores, ... screen, sensitive operation, simplicity, convenience and fastness, time and labor saving, high safety and the like.Flat Wave Power, more ...