... normal temperature, RF electric wave produces heat into deep skin, and massage the skin as nuclear technique, Nursing effect: Face: wrinkle removal, skin lift and tightening, skin whitening, ... being injected into the skin, to avoid the nutrition releasing, can use the hammer to freeze the skin, consolidate the nutrition ... 220V 50Hz /AC 110/60HZPower: 30W F-49 Woundless wrinkle removal beauty equipment