Oxygen flow rate: 1-10L / min (adjustable)
【Oxygen concentration】: 93% -3% (adjustable)
Oxygen principle: molecular sieve pressure swing adsorption technology 【Operating sound】: ≤ 54dB (A)
【Product Size】: 470 * 280 * 550 (mm)
【Product net weight】: 20Kg
【Input Power】: 370VA
【Power】: AC220 ± 22V, 50Hz ± 1Hz
【Oxygen Absorption】: nasal suction, ear hanging 【Warranty Time】: one year compressor, compressor 5 years 【Accessories】: nasal suction oxygen tube, a filter cotton, two filter felt * 2 , Atomization suit (limited to A31W models), fuses, manuals, warranty card, certificate