emszero facial revolution,reduce wrinkles skin tightening,painless non-invasive and needle-by emitting both synchronized rf and hifestm energies, it simultaneously affects the facial skin and muscles.the end result is less wrinkles and more lift naturally without needles.of all, treats full face in only 20 minutes. it is a non-invasive treatment that utilizes a combination of high intensity electrical stimulation and radio frequency technology to improve facial muscle density and stimulate collagen and elastin production. the elevators of the face include the frontalis (upper forehead) and the zygomaticus major and minor (cheek) muscles. the combination of the technologies increases the bulk of these muscles, lifting the facial skin, while also decreasing wrinkles and contouring the face. 1 years of warranty, detailed user manual + operate video + face to face online training.syi