The ECG-1250A and the ECG-1350A meet IEC60601-2-51 new international standard for digital electrocardiographs specifying accuracy and digital filter performance. The ECG-1250A features 6-channel recording, while the ECG-1350A has 12-channel recording. Both feature a vivid color LCD screen, large memory capacity: 40 ECG files in internal memory, 3000 ECG files on an SD memory card, and Data transfer to PC by USB, SD memory card, or LAN