RF radio frequency skin tightening device converts electrical energy into heat, and the radio frequency machine has a built-in safety system to ensure our skin temperature. skin tightening machine has a face probe of 25W and a body probe of 50W. Small probe is used for the face, such as: forehead, under-eye area, chin, and the large probe is used for the whole body, such as : hands, arms, legs, belly. The 2 probes can be used alternately at anytime.Radiofrequency skin tightening device is equipped with a handle for easy hand holding.RF skin tightening machine lets you enjoy a comfortable day at home without going out.