1mind Bionic and streamline fashion design, which win the national outlook top award-Red Star Award. 2. Lower noise was acheived by using advanced round airway and multilevel noise decreasing design. 3. Big LCD screen to see the figures clearly , cumulative time metering and timing power off function are avaiable. 4. Four alarm functions( low oxygen concentration alarm, power off alarm function ,pressure circulation fault alarm, compressor fault alarm) Fault self-detection system. Power supply: AC220±22V,50±1Hz Input power: ≤350VA Oxygen concentration: ≥90% Oxygen flow: 1~3L/min Output pressure: 30~70kPa Operation noise: ≤55dB (A)
