1.Lead Standard: 12 leads 2.Single-channel ECG 3.With analysis and auto measure 4.Small screen (3.8''/ 63mm) Safety StandardIEC Class, type CFAcquisition Mode12 lead acquisition simultaneouslyInput CircuitFloating, Protection against defibrillator and pacemakerA/D Converter18 bitTime Constant≥3.2sFrequency Response0.05Hz~150HzSensitivity2.5, 5, 10, 20 (mm/mV), AutoInput Impedance≥50MΩInput ...