Name: mini electric generator Technical parameter: Model: MAF005A Rated voltage: AC 220V 50Hz Oxygen Method: Seventh Generation PSA Input Power: 105W Inhalation: headset type,nasal tube running noise: ≤48dB Oxygen concentration: 30% -90% Product Dimensions: 302 × 168 × 325mm Out of gas: Three ESC Product Net Weight: 5.2KG Negative oxygen ions: ≥6 million particles / cm³ Display Control: LED timer display, smart chip control Description: Economic one fits most of the crowd; three gears power transfer, flow can be adjusted to meet the needs of the family oxygen; may use in car,at home, or travel. Related accessories: gas piping 1PC ears-hanging oxygen inhaler 1PC snorting oxygen inhaler 1PC nasal suction filter 1PC filtration cotton 1PC remote control 1PC power line 1PC mask atomizer (sold separately) Packaging :