Features:

a. It adopts PSA principle to obtain the oxygen by purephysical manner. It can continuously produce oxygen in an efficientand safe manner. 

b. French imported molecule sift helps produce pureoxygen.

c. Oxygen density monitor

d. LED time counting system

e. Power off alarming system

f. optional oxygen nebulization (withNebulizer(one set))

g. Low power consumption

h. Environmental Protective, without harmfulbyproducts