Home User Hydrogen Generato Inhalation Device 150Ml/Min Mini Inhale Machine Model No. SDF-XH02 Brand Name SDYFU Item Hydrogen Inhalation Device Output of H2 150/Min Voltage AC220V~240V,50Hz or 110V, 60Hz Rated power 80W Time setting 1h、2h、3h. Size 12*12*19CM Weight 1.6KG Applicable water Distilled water/ TDS<1 Pure water Recommended using time 60 m1