American brand AIR SEP mobile oxygen concentrator that can be used on airplanes

Product specifications:

• Power supply: AC 100 – 240 VAC (1.0 amp at 120 VAC) DC 11-16 VDC (6.0 amps max at 13.5 VDC nominal)
• Power consumption: 28 W at 3 LPM
• Oxygen flow: 1-3 LPM
• Oxygen concentration: 90% ±3%
• Noise: 38 dB(A)-1 degree; 41 dB(A)-2 degrees; 44 dB(A)-3 degrees
• Overall dimensions: height 21.8 cm x width 15.5 cm x depth 9.1 cm
• Net weight oxygen machine: 4.4 lbs (2kg)
• AirBelt: 1.8 pounds (0.8kg)
• Operating environment: Suitable for temperatures from 5ºC to 40ºC and an altitude of 12,000 feet (3,657.6 m)
• *Using oxygen beyond this range may affect the function of the machine.
• Storage environment: Suitable for storage in spaces with temperatures from -20°C to 60°C
• Start time: two minutes
• Usage time: 1 LPM – 3.5 hours / 2 LPM – 2.5 hours / 3 LPM – 2 hours
• With AirBelt extra battery: 1 LPM – 10 hours / 2 LPM – 6 hours / 3 LPM – 5 hours
• Charging time: 3-5 hours
• AirBelt extra battery (+HKD$7,500): +3 hours
• Battery life: can be recharged about 300 times (then reduced to about 80% content or below)
• The alarm system will send out a light or audible alarm under the following conditions:
  -Oxygen machine starts
  -Normal operation
  -Battery display
  -Loose oxygen tube
  -The air pressure is too high or too low
  -Needs repairs
• Origin: Imported from the United States
• Maintenance period: one year
• Certificate of conformity: ISO 9001:2000
  *Approved by the FAA for use on commercial airliners
• Built-in battery: 3 liters/min can be used for 2 hours, 2 liters/min can be used for 2.5 hours, 1 liter/min can be used for 3.5 hours
• 外加電池包 (+$5,000)：3升/分 可用5小时，2升/分 可用6小时，1升/分可用10小时使用時間比同類產品更長

*Long oxygen pipe (5 meters)/short oxygen pipe (2 meters) can be optionally installed

*If the above data is different from the actual product, the actual product shall prevail.