1:pdt mini led skin care light 2:acne removal 3:led skin care light 4:pdt led beauty equipment 5:CE certified mini PDT led skin care light beauty equipmentTakes red and blue lightsred light(640nm):to promote metabolism,speed up blood circulation,improve skin moisture,increase skin collagen,enhance skin elasticitym,smooth tiny wrinkle.blue light(470nm):to kill the bacteria,purify skin,activate ...