Special Feature  Application: Adult, Pediatric  Driven mode: Pneumatically driven electronically controlled  Mode: Semi-open, Semi-closed or closed system  Anesthetic vaporizer: One vaporizer (optional two) Anesthesia Ventilator (with Battery Backup)  Display: High light LED display  Ventilation Volume: 50~1600ml  Breath frequency: 1~90BPM  I:E ratio: 4:1 ~ 1:6 Monitor parameter: Tidal volume, breath frequency, MV Alarm: MV high alarm, MV low alarm, TV high alarm, TV low alarm