Biocare's ECG-1230 Digital 12-channel ECG features a digital isolation technology and signal processing ensured the signal reliability. It has a huge 12.1" LCD color screen on a swivel arm with 3x4+1, 6x2+1, 12, 12+1 waveforms display with grid lines. It can do R-R interval analysis, detailed and brief analysis reports, automatic arrhythmia detection and recording and real-time waveform display, freezing, result observation. It also has an economy mode that may reduce your printing cost, a LAN port for real-time data transmission and an optional SD card up to 2GB max. You can have a delightful operating experience with the ECG-1230 12-channel because of durable silicon buttons, unique shuttle design, multilanguage options, and an optional trolley for moving convenience.