Specification 1. Oxygen flow rate : 1-5LPM/MIN 2. Oxygen Concentration : 93%+3% 3. Outlet pressure : 8.5-13 psi 4. Voltage : 230V;50hz 5. Power Consumption : 320W 6. Noise :<48dB(A) 7. Wight : 16 KG. 8. Nozzle : 1 9. Size : 305mm (L) x330 mm (W) x 535 mm (H) Function 1. Running time control & calculation 2. Alarms for high/low pressure, power failure and Gas blockage. 3. Protection for over-heat and over-load. 4. Purity alarm when the oxygen purity below 82% (Optional) 5. Medical nebulization by output oxygen dual Output.