1.WY-T211 led light for skin 2.Use IC Card Manages 3.Have 5 Photons:Red,Blue,Green,Yellow,Purple and Laser WY-T211 led light for skin Photon dynamical therapy is a new technology, using the photon power to do skin maintenance and treatment, transfer light energy to cell energy, the accelerate cell growth and blood circulation, stimulate fiber cells to produce collagen proteins, increase skin ...