Product Features: ZY-1J/ZY-2J ZY-1J and high-profile version,ZY-2J and high-profile version. Flow rate is divided into 7 levels. Press the flow button on the screen to adjust the require flow. ZY-1J and high matching version models, the oxygen purity is smaller and equal than 90%. When the flow rate is 1L/min, ZY-2J and high matching version models, the oxygen purity is smaller and equal than 90%. When the flow rate is 2L/min. Machine noise: bigger 60dB(A) Power supply: AC220V/50HZ or AC110V/60HZ ZY-1J and high-profile version, input power is 120W, ZY-2J and the high-profile version,input power is 170W. ZY-1J and high-profile version, the weight is 6KG. ZY-2J and high-profile version, the weight is 7KG. Dimensions:280*192*300(mm) Altitude: The oxygen concentration does not reduce at 1828 meters above sea level, and the efficiency is less than 90% from 1828 meters to 4000 meters. Security system: Current overload or loose connection line, machine halt; High temperature of compressor, machine halt. Minimum working time: no less than 30 minutes; Normal working environment: Ambient temperature range: 10℃ - 40℃; Relative humidity smaller than 80%; Atmospheric pressure range: 860h Pa - 1060h Pa. Note: The equipment should be placed in normal working environment for more than four hours before use when the storage temperature is lower than 5℃.

item	value
Place of Origin	China
	Anhui
Model Number	ZY-1J/ZY-2J
Instrument classification	Class II
Warranty	1 Year
After-sale Service	Online technical support
Type	Home health care
Display Control	LCD Touch Screen
Input Power	120VA
Oxygen Concentration	30%-90%
Operating Noise	60dB(A)
Weight	7KG
size	280*192*300mm
Adjustment	1-7L
Material	ABS
Certificate	CE ISO