... cooling, more safe and comfort. <4>. Collagen fiber immediately shrinks.<5>. Collagen reborn.<6>. Collagen recombination. 4.Standard Standard: a ... handle, two keys ,a piece of manual, one power line, a pedal, Unipolar RF (a piece of negative line , a funnel, five ... pieces of negative electrode ), twin pole RF, and one alumium case.5.The diameter of RF’s head10mm 20mm 40mm6.Specification RF10MHzOutput ...