Product Specification: Capacity :5 LPM Model Number :E100 Electrical Rating: 230V, 50Hz,2.0A(Max) Oxygen Purity :93%+_ 3% Weight (in kg) :17.6 kg Body Dimensions :580x380x270mm Sound Level :<47d(A) Operation Mode :Battery Country of Origin :Made in China Technology: USA Volume : 37 cm x 32 cm x 57 cm After Sales Service Support: Online/Manual technical support Usage Application :Breathing Apparatus