OXYGEN specification 1L/min:90% purity, 2L/min: 70% purity, 3L/min: 50% purity, 4L/min: 40% purity, 5L/min:30% purity, WEIGHT 6kg *Product size:320mm(L)x190mm(W)x350mm(H) Product Features This is a supplementary medical device and NOT intended to be used for ANY prescription purpose.If need MEDICAL machine pls buy B01MXZXUEA Support continuous oxygen throughout the day,can continuously work 24 hours Power...

◆2 “AA” batteries required. (not included). ◆Liyic Electronic Discovery kit is very easy to use with the manual guide where it describes what colors and numbers to use on the clear pad to create different electrical gadgets such as a fan, a light source, a morse code, a buzzer and so much more. ◆Liyic...