The Edan 02.04.107453 is a comprehensive stress testing expansion kit designed to upgrade the SE-12 Express electrocardiograph system into a full-featured cardiac stress workstation. This factory-authorized package includes the necessary software activation client code alongside specialized interface hardware to sync with clinical treadmills and ergometers. Complete with a 1.6-meter patient belt and an AHA color-coded snap-style ECG cable, it allows clinics to safely execute, monitor, and analyze advanced cardiac stress protocols while preserving excellent biological signal clarity during active patient movement.