... ; 10%, 60Hz± 1HzIternal battery: DC12V (over for 2 hours)Power consumption: ≤ 50WAnesthesia VentilatorRespiration mode: IPPV, SIMV, SIGH, MANUALWaveform: P ... pressure alarm, Low pressure alarm, O2 source failure alarm, AC power failure alarmHigh Pressure alarm limit: 20~60cmH2O Low Pressure alarm ... .65MPa.Gauge: Two gauges, N2O, O2 ARIES 2700 Anesthesa equipment with CE certificate in health