5L portable PSA Oxygen generator

1) Electrical requirements: 110-220V AC±10% as your demand 2) Power consumption: 300W 3) Operating altitude: a) 0 3,000m: no degradation in performance (tested at nominal voltage) b) Above 3000m: no recommended / no tested 4) Ambient temperature range: 50°F - 95°F (10°C - 35°C ) 5) Ambient humidity range: 30% to 75% 6) Oxygen output concentration levels: 93%±3% 7) Flow range: 1 - 5LPM 8) Pressure relief valve: 35PSI±3PSI 9) Dimensions: a) Height: 20'' (50.8cm ) b) Width: 14'' (35.6cm ) c) Depth: 12'' (30.5cm) d) Weight: 38lbs (17kg ) 10) Storage condition: a) Temperature: -40°C 70°C b) Sound level: 45dBA - 48dB Features: 1) High pressure alarm 2) High temperature compressor shut down 3) Low pressure alarm 4) Low oxygen purity alarm (optional) 5) Current overload shutdown and reset 6) Power loss alarm 7) For those who want the best in quality and price