Main Features: 4.3inch 480x272 color graphic LCD display Three channel ECG machine with interpretation 12-lead ECG simultaneous acquisition Multiple operation modes: Manual/Auto/Arrhythmia Analysis Modes 80mm 3-channel recording with a rhythm lead Digital filters eliminate EMG, AC, Baseline Drift interference Built in rechargeable Li-Ion battery, 3 hours continuous working Adapt 110-240V, 50/60Hz AC power supply 250 patients save/replay Built in USB/RS232 interface Lead: Standard or Cabrera 12 leads, Simultaneously 12 leads acquisition Input Circuit: Isolated as well as pace make and defibrillation protected Patient Current Leakage: <10mA Input Impedance: >50MW Frequency Response: 0.05 ~ 150Hz Time Constant: ³ 3.2s CMRR: > 80dB; > 100dB (filter in use) EMG Filter: 25Hz (-3dB) or 35Hz (-3dB) Sensitivity: 5, 10, 20mm/mV±5% Recording Mode: Thermal array printer 8 dot/mm(Vertical) 40 dot/mm(Horizontal, 25mm/s) Paper Speed: 5, 10, 25, 50mm/s ± 5% Paper Size: 80mm´15m, roll type Safety Level: Class I, type CF Power Requirements: AC: 220V±10%, 50Hz±5%, 50VA Built-in Li battery, 12V Dimension: 285mm×200mm×50mm Weight: 2.5Kg