Breathing Mode IPPV, SIPPV, IMV, SIMV, PEEP, Manu, Sigh and so on; Tidal Volume Adjustment 50~1200ml Ventilation Capacity per Minute ?18L Oxygen Concentration <45% Ventilator Conformance ?30mL/kpa Respiratory Rate 6~60/m I/E Ratio: 1:1.5, 1:2.0, 1:2.5, 1:3.0; Maximum Safe Pressure ?6.0kPa (Ptr) Range -0.4~1.0kPa Transfer Time from Controlled to Assistant Respiration 6s Air Flow Adjustment 1~12times /m PEEP 0.1~1.0kPa Sigh Volume: 150% of tidal volume Oxygen Consumption:?1.5mPa change in pressure after 1-hour operation of oxygen cylinder of 12250kPa/40L.