... ,whiten &softens skin wrinkles,increase skin elasticit Pdt (led) Machine for skin rejuvenation and skin care (PDT-3H),China,maker&exporter. ... Technical parameter:Standard collocatation : 3 heads :red, yellow and blue,Control the time by computer : 0-99 minutes ,Irradiation position ... control : self-regulation by computer,Input power: 220V 50Hz 100W, ...