... Photons:Red,Blue,Green,Yellow,Purple and Laser PDT phototherapy equipment WY-T206Applied range:1.Improve symptoms suchas aging and ... is used to sterilize skin, mainly for sensitive skin with acne problems.Yellow light (590nm+/-10nm) is used to stimulate ... color pigment, lighten capillary expansion and so on.PDT phototherapy equipment Technical Parameter:voltage100-240V 50/60Hz G.W. 22KGPacking ...