... Power VoltageAC 100V~240V 50/60HzPower Input≤70VAFuse1.6ASafety LevelClass I , Type CF Battery TypeRechargeable Lead acid cell, 12V/3.2AHCharge ... -leads ECG input3-leads ECG inputLead selectionI, II, III, aVR, aVL, aVF, V-I, II, IIII, II, III, aVR, aVL, aVF, V1~V6Gain2.5mm ...