This Holter ECG recorder is a professional Holter ECG Recorder designed for long-term continuous cardiac monitoring. It supports 24-hour and longer uninterrupted ECG acquisition, effectively capturing intermittent and paroxysmal arrhythmia signals that are hard to detect in routine examinations. Compact, lightweight and highly portable, the holter heart machine device does not interfere with daily activities, featuring large-capacity storage and excellent anti-interference performance for stable out-of-hospital long-term monitoring. This Holter ECG Recorder fully records ECG waveform changes during daily activities, sleep and exercise, providing complete continuous data for the screening of atrial fibrillation, premature beats, myocardial ischemia and syncope symptoms. Matched with professional ECG analysis software, it automatically generates event markers, trend graphs and diagnosis reports, enabling doctors to accurately assess patient conditions and treatment effects. It serves as an essential professional device for chronic heart disease management, postoperative rehabilitation observation and high-risk crowd cardiac screening.