This is YT711 7 in 1 Professional Oxygen Jet Hydro Microdermabrasion Oxygen Jet Aqua Skin Cleaning Hydra Dermabrasion Machine, integrating seven functions: hydroabrasive cleaning, nano spray, plasma sterilization, multipolar microcurrent, bipolar RF, ultrasonic anti‑wrinkle and ice cold compresses.It can deeply clean blackheads and oil, hydrate and rejuvenate skin, diminish inflammation and acne, promote nutrition infusion, lift and tighten skin, reduce wrinkles, soothe and shrink pores. It solves various skin problems including cleaning, oil control, anti‑aging, firming and repair.