two-stage radio frequency releases energy to induce pthermal effects in various diseased tissues of epidermis and dermis by utilizing the absorption of light energy by the skin it uses two-stage ipl and rf technology to act on the entire dermis and connective tissue to stimulate collagen at different depths to rearrange and grow for therapeutic effect 480nm: 530nm:640nm:whether it is single-handle mode or double-handle mode, fast mode or slow mode can be adjusted according to the needs of the maximum to meet the needs of users can effectively improve freckles, pigmented skin lesions, caused by pigmentation of various skin problems, while with wrinkle repair lifting function. perfect cooling system for hair removal. the handle can be frozen in minutes, making treatment more convenient..syi