10.4" Colorful TFT High-Luminance large Display,built-in Ventilator O2/N2O/Air Six Tube Flow Meter Two high precise vaporizer as to Customer choose (Isoflurane//Halothane/Sevfluran e ;According your chose ) Tidal Volume: 30 -- 1500ml I/E Ratio: 3: 1~1:4 Adjustable 24-Hour Whole Parameter Trending Curve. Optional: Patient Monitor