Specifications Model DE Q1WOxygen Flow Rate L min 1 8L adjustableOxygen Concentration 30 90 AdjustablePlug Type 220V EU PlugApplied Voltage 220V ±22V 50HZDisplay control LED display touch screen infrared remote controlControl distance 20 MeterNoise dBA less than 45db Technology oxygen concentrator with PSA technologyProduct Dimension mm 360 x 196 x 343mm 14 17 x 7 22 x 13 50 Weight 6 2kg 13 616lbBreathing way Convenient both in earphone breathing apparatus or nose breathingRated Power W 120WOxygen Pressure 0 02 0 05MPaFunctions 1 Oxygen concentrator O2 generator is very portable with a handle design2 Timing function for 180min at most3 Power saving model4 Sleeping model oxygen concentrator can keep working whole night5 Auto power off for protection6 The infrared remote control7 Oxygen producing accumulated8 Function of system board oxygen9 Support for double people breathing oxygen at same time10 large LCD screen with bright backligh11 Function of full touch screen control12 Support to use in the car vehicle with the transformerPackage includes 1 x Oxygen Concentrator1 x Power cord1 x Remote Control1 x Oxygen Tube1 x Headset Oxygen Inhaler1 x Nasal Suction Oxygen Inhaler1 x 3m Rubber Hose including Water Trap 1 x Inlet Filter1 x Oxy generator fuse1 x User Manual