LCD display, ≤400W rate voltage, 0.5 liter~5 liter per minute oxygen flow, ≤54dB noise level, 1 piece humidified cup in the machine, 2 set filtration cotton, 1 piece of a power line, real-time monitoring, cleaning filter alert, oxygen / nebulization outlet, adjusting knob, flowmeter, handle, power, casters, power failure / high and low-pressure alarm, compressor overheating stop alarm, 15.5 Kg net weight, 345 (L) x 280 (W) x 558 (H) mm dimension.