12.1 inch TFT color screen , big screen could show more information. Screen could be rotated freely, suitable to operate at any angle and height Integrated expiration module could be sterilized whole, ensure use safely and no cross-infection. Expiration valve adopt no-water design, guarantee the precious detection. Could show Paw-t、Flow-t、Volume-t、Paw-V、Flow-V five waveform at the same time, also could show one or several waveform according to our operation. Curve size, time scale, pressure-flow ratio adjustable, watch the details more good. Curve pause function, could watch details. Sensitive flow, pressure two trigger function, could effect at a same time. Build-in inspiratory and expiration flow sensor, durable and water coagulation resistant. Automatically inspiratory synchronous nebulizing function, nebulizing time adjustable; 100% Oxygen inspiratory function, oxygen inspiratory time is adjustable. Three-level visual and audible alarm, with concise words describing problems Alarm record with clearance function , could record the last 100 pieces of information, show alarm grade, alarm time and the alarm parameter. Pressure, volume, time respiratory mode security, could inspect pressure in inspiratory phase, volume, time exceed the regulated value, turn into expiratory, ensure patient safety. Volume security function, keep the minimum tidal volume in pressure mode. Adjust MMV function automatically, adjust inspiratory pressure and breathing frequency, approaching the target tidal volume and minute ventilator. Low noise medical air Compressor, very stable performance, safe and reliable. VGA connector could output the screen signal to other screen High quality trolley with concise structure and good appearance, easy to assembly and detach.