Adjustable oxygen concentration: supply continuous flow 1-6 L/min adjustable,30%-90%,(1L:90%+-3.2L:50%+-3 6L:30%+-3)

Portable and lightweigh:only 5.2kg,coulf work plug in home power supply(AC 110V) for continuous working 24hours a day if you do not set timer.

For more information;

Text/call:+1 647 240 2044