6.4 inch multi-function patient monitor 1, ECG, RESP, NIBP, SpO2, TEMP, HR 2, CE certificate ... record and review60minutes real time ECG waveform replayFrozen waveform record, review ad outputSpo2 pulse-tone modulation(pitch tone)ST analysis, Arrhythmia ... , 12.1 inch and 15 inch. 6.4 inch Patient Monitor GT9003