... effect: for 3-5 yearsRADIO FREQUENCY TREATMENT PRINCIPLERF beauty equipment is the high-tech beauty equipment, great safety and no wound. The collagen ... skin,or other visible signs of aging will appear. The RF equipment has the cooling system of surface layer, and uses ... remodels over time, providing you with tighter skin, renewed facial contours. PARAMETER*2handle with 2 size head,Bipolar*Energy:50J ...