... printer 5.Rechargeable battery Patient Monitor: Model#LDM-G3GDescription:Displayer :8.4" color TFT LCD screen with maximum 7-waveform display ... and software upgrade possible7. Optional built-in wireless networking function 8. Support external printer to record graph and trend9. Intelligent audio ... time: =< 3 min. √ ---ECG :Input: 5 wires ECG cable Lead section: I,II,III/ aVR, aVL, aVF/ V Gain ( mm/mV ...