6.4 inch multi-function patient monitor 1, ECG, RESP, NIBP, SpO2, TEMP, HR 2, CE certificate ... : 300-3000ΩEtCO2 Measurement Method:Side-streamCO2 Range: 0% to 13%CO2 3 mmHg @Accuracy: ± < 5.0% CO2 (at ATPS)< 10 ... , 12.1 inch and 15 inch. 6.4 inch Patient Monitor GT9003