Simultaneous 12 leads ECG acquisition and display (display format: 12*1,6*2,6*2+1R,3*4+1R,3*4+3R) FIR digital filter to ensure no waveform distortion while eliminating all strong interference Precise ECG auto-interpretation program Multiple printing formats (optional color printing): five kinds in landscape and five kinds in portrait. Export ECG report in PDF/ JPG/ XML format Easy operation, only three hotkeys for ECG acquisition: F1 "Sample", F2 "Stop" and F3 "Print" Powerful database management system for hundreds of thousands of ECG reports. Size:130mm*80mm*28mm Weight: 200g.