Respiration mode IPPV / Manual I:E ratio 4:1- 1:6 Tidal Volume 50ml ~1600ml Respiratory frequency 1~90bpm PEEP NO Waveform NO Patient type Adult, pediatric Display High light LED display Driven mode Pneumatically driven electronically controlled Gas supply O2 or Medical Air Gas Supply pressure 0.27-0.55 MPa Monitor parameter Tidal volume Minute ventilation Breath frequency I:E ratio Alarm Tidal volume high alarm Tidal volume low alarm Minute ventilation high alarm Minute ventilation low alarm