Specification:<br />Product Size<br />325mm(L)*198mm(W)*323mm(H)<br />Voltage<br />AC110V??22V;50Hz??1Hz<br />AC220V??22V;50Hz??1Hz<br />Oxygen purity<br />30%~90%<br />Oxygen Flow<br />1L/min?a5L/min<br />Input power<br />30kPa?a70kPa<br />Noise Level<br />??35db(A)<br />Weight<br />6kg<br />Working Environmental:<br />Working Temperature:5???a40??<br />Humidity:20%?a60?←<br />Atmospheric pressure:86KPA~106KPA