Piston cylinder liner ring
Intelligent flow precision adjustment
8 million/min negative ion transmitter
High flow rate oxygen concentration
Strong stability
Real time intelligent control
Deda pure copper oil-free compressor
Low noise cooling fan
14" HD LCD touch screen, 30%-90% (±3%) oxygen adjustable, infrared remote control with 10 meters range, 40-45 dB operating noise, 340 x 185 x 305 mm dimensions, 6.5 kg weight.