OOxygen Breathing Machine 1-7L Convenient Easy to Move Clock Equipment NEW6_N9VZT07

It continues work 24 hours a day if you dont set the timer. At the same time, its equipped with a timing function( 8 hours). Clear LCD screen, easy to touch and read. Its more convenient with remote control and timer function. 42 db silent. Quiet for night time use when sleeping. Only 13 lbs, easy to move.