8.4" TFT with touch screen Minimum tidal volume down to 15ml. 2000 event records of settings, technical and physiologic alarm Intelligent alarm management Touch control screen design, simple user interface for fast operation. 5peed startup, self check, automatic leakage test, C02 by-pass 1500ml ascending bellows, one bellows and one circuit for all patients real-time waveforms Electronic PEEP function Standard Ventilation Mode:VCV Optional Ventilation Mode:PCV, SIMV-VC, SIMV-PC, CPAP/PSV, PRVC, SIMV-PRVC,PSVPro Optional loops: P-V ,F-V, P-F loops display