ECG machine features Real-time waveform freezing, economy mode for printing cost reduction, Long lasting battery provides up to 2 hours of non stop working time, Multilanguage option, real time data transmission through LAN port, easy to update, unlimited data storage, optional SD card. Unit comes with a foldable LCD monitor measuring 5.7 inched with adjustable contrast. The R-R interval analysis, allows for short detailed reports for various requirements. Durable silicon button, plus unique shuttle design provides a delightful operating experience.