RF skin tightening machine 1.Multi RF heads 2.Wrinkle removal, skin lift, slimming ... .For face and body 4.CE certificate HR-802A Monopolar Radio Wave Frequency Machine,RF Skin Tightening MachineTheory of Monopolar RF MachineMonopolar RF ... , based on assurement of skincomfortable, harmless, it uses RF electric wave to produce heat exchange, precisely attainsskin deep, stimulates inner ion ...