The EDAN SE2003-7D is a lightweight 3-channel Holter ECG recorder designed for ambulatory cardiac monitoring. Available in 5-lead or 7-lead configurations, it provides continuous ECG recording for up to 7 days, real-time waveform display, pacemaker detection, and reliable data storage for comprehensive cardiac rhythm analysis. The compact, patient-friendly design is ideal for clinics, cardiology practices, and diagnostic facilities.