Handheld (Vehicle, Household) Oxygen Concentrator1.It is the smartest PSA oxygen concentrator using molecular sieve to produce oxygen of large volume and high purity. 2.There is no chemical elements and no harm to human. 3.It can be run by vehicle cigarette lighter, lithium electricity and house electricity, as the best choice for plateau tourism. 4.Household healthcare oxygen concentrators are the most economical and practical than any others.Performance Flow Regulation Range:It can be continuously regulated within (>0≤3)Lminthe allowable error should be ±10 Output Pressure:0.04-0.06 MPa Applied Voltage:DC12V max current <7A (can be directly connected to automobile power) Power:<80 W Size:236x163x270length x width x heightmm Weight:<3.5 kg Noise:<46dB (A) Oxygen Concentration:40±5@3Lmin65@2 Lmin85@2 Lmin Storage Condition:Temperature 0 to 55 Humidity:no more than 80% Atmosphere:50106KPa Executive Standard:Q/KHYZ 001-2009