... .ecg LCD display: 2.4" TFT. 2.portable, convenient to use. 3.continuous running time:7 hours. hot sale patient monitor system holder ... ecg monitor is applicable for family, hospital, private Clinique, community medical treatment.etc. main features1.Compact and portable,easy to use2.Display of ... , it is stethoscope A power adapter, lithium battery chargerBuilt-in single guide league electrode