Tidal Volume:20-2500ml Display:10.4 TFT touch screen Type:pneumatically driven tronic control Gas supply:medical o2, medical air Pneumatic system safe pressure:125cmH2O Power supply:AC 110-240V, 50-60 Hz Battery:Lithium battery, backup for more than 2 hours Product Size:H400mm* W303mm * L250mm Weight: 16kg HS code:9031809090