1.PDT Machine 2.Use IC Card Manages 3.Have 5 Photons: ... ,Blue,Green,Yellow,Purple and Laser 4.Skin Rejuvenation Machine PDT Machine:Photodynamic is a kind of cold light, don't ... 't bring any injuryand unwell feeling to the skin. The PDT is the world's top scientific and technological achievement,which ... ,Purple and LaserWave-length:200~900nmFrequency:1~30HZ MY-SK8 PDT Machine