... " TFT, 320 mobile ecg instructionsIt is a kind of multi-functional mini patient monitor. It integrates the functions of auscultation,ECG collection,SpO2 ... community medical treatment.etc.mobile ecg main features1.Compact and portable,easy to use2.Display of ECG waveform, heart rate,SpO2 ... Heart:20~230Hz,Lung:100~800Hz,H&L:20~800Hz multi-functional mini patient monitor mobile ecg Language Option French