Model KBR-3DRC Input power 310/340(W) Operation voltage 220V/50Hz or 230V/60Hz Flow 3L/min Oxygen purity 94%-96% Outlet pressure 0.02-0.04Mpa Net weight 23kgs Dimension Silver:350*380*510(mm) White:430*437*650(mm) Sound level <=49Db LCD oxygen purity display, Fault display, accumulative time, timing function Alam Oxygen purity alarm, high and low voltage alarm, sound and vision alarm Physical oxygen-making, without adding any accessory. There is oxygen when you turn on the switch and the oxygen purity reaches to and exceed 93%With low power and low noise, you only cost one degree eletricity for three hours inhaling oxygenIt’s equipped with special remote controller for the wrinkly and elder and the people whose movement is costiveWe are the only one to set four-grade filters in this line. The molecular sieve protector, which has been patented, can purify the air effectivelyAll the products are passed through the ISO13485 and CE0123certificate