CV200 is an USB digital electrocardiograph, that turns your computer into a modern station to perform electrocardiograms and stress tests. It includes a life time license for CardioSW-Rest ECG , an excellent ECG Interpretation program that works in any Window OS environment. At any time, you can add CardioSW-Stress Test to perform stress test with the same device. It works with any PC o laptop by USB connection (No battery needed) Includes CardioSW-Rest Test program with EKG Interpretation. Excellent ECG digital signal. No termal paper needed. Nice reports format ready to print. Allow Interpretation by Internet using MedLinknet Network.