... effects and more safety. In the meanwhile, RF can stimulate the more collagen, which can smooth wrinkle and liftface. Filters and functionThe material ... synthetic cut stone, the standard deploy is 3 filters: 430nm, 530nm, 640nm, and the optional deploy is 480nm, 560nm, 580nm, ... more deeper skin layers ,it can reach 8-15mm ,unwound&safety. * 8TFT Colorful touch screen,make easy operation* Fast-connected ...