Function Oxygen Purity: 93±3% Flow Range: 1-5L Output Pressure: 30-70kPa Power Input Voltage: AC 230V/50Hz (also available in AC 110V/60 Hz) Power: 750W Noise: ≦45dB Button Battery: Powers Power-Off alarm; Li-ion (included for orders of 5 or more devices) Operating Environment Temperature: 5°C – 40°C Relative Humidity: ≤75% (non-condensing) Barometric Pressure: 86kPa – 106kPa Measurements Weight: 19 kgs Dimensions: 39 cm x 31 cm x 59 cm
