1,Monitor parameter: Tidal volume, breath frequency, MV 2,Gauge: 2 units, one N2O, one ... ratio: 4:1 ~ 1:6Monitor parameter: Tidal volume, breath frequency, MVAlarm: MV high alarm, MV low alarm, TV high ... circle absorberBellow: 0 ~ 1600mlOxygen FLUSH: 25L/min ~ 75L/minFlow meter:O2, N2O two-tube flowmeterO2 tube: 0L/min ~ 10L/minN2O ... one O2 v the anesthesia equipmet supplier ARIES 2800 with CE marked