The AccuWave Pro M9000VET has more features, more fields, a larger display and built-in CO2 monitoring. Parameters include: ECG, heart rate, noninvasive blood pressure, pulse oximetry, pulse rate, temperature and sidestream end tidal CO2 12.1" TFT LCD high-resolution display 7-channel ECG waveform display Large font option Digital SpO2 technology Built-in printer 168 hours graphic and tabular trends of all parameters ECG replay