Function Oxygen Mask therapy a.Oxygen Spray Gun: Combining with essence , the instrument produces oxy-hydrogen, which can be quickly penetrated into the dermis through high pressure injection. b.Oxygen injector : Combining with essence , the instrument produces oxy-hydrogen, which can be quickly penetrated into the dermis through high pressure injection. Feature 1.German technology 2.Own patent 3.French molecular sieve 4.Oxygen concentration 90%±3% 5.The two functions of oxygen generation and atomization. Oxygen concentration can be used For 2 people at the same time 6.Application range: 0-5000 m altitude Product Name O2toDerm Oxygen therapy machine,Oxygen Jet Operating Language English &Chinese(can be customized) Input Power AC110/220±10% 50HZ/60HZ Output Power DC 12V 4A G/Weight 35.0 KGS Max Output 350 VA Materail ABS+Led Vacuum Power 1 bar Max Functions skin rejuvenation /acre treatment Skin cleansing / Collagen Stimulation / Improve Complexion Handles Oxygen therapy mask Oxygen Spray Gun Certification and Exhibition European service center We have an office located in Germany to provide good customer service for European clients. Training, visiting, experiencing, after-sale service are all available. We have an office located in Germany to provide good customer service for European clients. Training, visiting, experiencing, after-sale service are all available. We can offer you good German local service at a Chinese low price!