... care 1.Vacuum RF equipment 2.Cryo freezing rejuvenation 3.650nm laser skin lifting 4.CE,OEM RF machine skin care 1.Vacuum ... heating dermal collagen. Features:1. Designed for different deep-specific RF frequency [0.8MHz, 1.6MHz, 2.6MHz] for wrinkle ... pulsating work, the key of patented technology is preventing the RF overheating, so that release the collagen cells, stimulate regeneration, bonding ...