1. Pneumatically driven electronically controlled system 2. Built-in Ventilator, 8.4'' color LCD display Screen 3. 5-Tubes flowmeters, O2&N2O&Air;0.1L-10L/min 4. Two Vaporizers:Enflurane/ Isoflurane/ Sevoflurane/Halothane 5. Ptr: -1.0~2.0kPa;PEEP: 0~2.0KPa 6. Respiration Mode: A/C, IPPV(VCV,), SIPPV(VCV,), IMV, SIMV, PEEP, SIGH, MANUAL 7. Tidal Volume range: 20~1500ml 8. I/E Ratio: 8:1~1:10 9. O2 Concentration: 21%~100%