8 Colour TFT screen with display of Pressure-time, Flow-time & Volume-time waveformsStandard Ventilation Modes of VCV, PLV, Manual & StandbyAdvanced proportional solenoid valve technology to realize accurate ventilation controlAbsorber (without heating system)Compact and light weight body design for easy and safe maneuverabilityYoke system (1xO2, 1xN20; without Cyclinders)Mechanical flowmeter with back light onoff function (4 tubes)Lithium battery