Rated Flux(L/min):5Oxygen Content(%):≥90‰Outlet Pressure(Mpa):0.04-0.06Sound Level(db): ≤50Voltage:AC 230V/220V/115V/110VFrequency:50Hz/60HzInput power(W):480Weight(Kg):30Dimension(mm):430X385X670Optional Function: Remote Control, Adjustable Timer, liquid Crystal Display Device, Multiple flow,Oxygen Display, High or Low pressure Display Device.