IMEDIN BUENO ELECTROCARDIOGRAM MACHINE ParameterSpesifikasiDisplay7 inches, 800 × 480 color LCD (touch screen)Lead12 standard leadsPower SupplyAC: 100–240V (50/60 Hz); DC: 19V / 3.5A; Battery: 14.4V / 4400mAh rechargeable lithium, >3 hours working time