Special Feature: Application: Adult, Pediatric Driven mode: Pneumatically driven electronically controlled Mode: Semi-open, Semi-closed or closed system Anesthetic vaporizer: One vaporizer Anesthesia Ventilator: Display: High light LED display Ventilation mode: IPPV and Manual mode Tidal Volume: 50 ~ 1600ml Breath frequency: 1 ~ 90BPM I:E ratio: 4:1 ~ 1:6 Monitor parameter: Tidal volume, breath frequency, MV, Airway pressure Alarm: MV high alarm, MV low alarm, TV high alarm, TV low alarm Main Unit: Circle absorber: Compact circle absorber Bellow: 50 ~ 1600ml Oxygen FLUSH: 25L/min ~ 75L/min Flow meter: O2, N2O two-tube flowmeter O2 tube: 0L/min ~ 10L/min N2O tube: 0L/min ~ 10L/min O2 and N2O linkage device Adjust O2 and N2O in proportion ( keep O2 concentration not lower than 25% ) Gas source pressure: O2: 0.25 ~ 0.65Mpa N2O: 0.25~ 0.65Mpa Gauge: 2 units, one N2O, one O2.