· Oxygen concentration display
· Low oxygen concentration alarm
· Imported molecular sieves
· 24-hour continuous and stable oxygen supply
· Oxygen flow rate: 0.5L/min~5L/min
· Oxygen concentration: > 90%
· Output pressure: 0.02-0.07 MPa
· Power: 450VA
· Power supply: AC220V + 22V, 50Hz + 1Hz
· Noise: <60dB