87% ～ 95% O₂ purity on all flow settings
3 continuous flow settings: 1, 1.5 and 1.8 LPM
3 pulse flow settings: 2.5, 3.5 and 4.5
Work with 110 ～ 127V electricity
Work by car 12V cigarette lighter and 2 hours battery
Free trolley and shoulder bag