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