The Edan SE-2003 & SE-2012 Holter System is a lightweight and compact digital recorder designed for capturing and analyzing the electrical activity of the heart. It is primarily used for detecting arrhythmias and abnormal heart rhythms. Features a 1.92" full-color screen and uses a single AAA battery with varying battery life depending on the sampling frequency. The SE-2003 records 3 channels, while the SE-2012 can record 3 or 12 channels. The system includes various accessories such as ECG cables, a USB cable, disposable electrodes, a holder, a belt, a carrying bag, and Holter analysis software. Key features include: Real-time waveform display and event marker IP27 level of waterproof and dustproof 3 or 12-channel digital recording (SE-2012 supports auto 3/12-channel identification) 8-day recording with one AAA battery Pacemaker detection and adjustable sampling rates Fast data transmission via micro SD card or USB cable Comprehensive analysis software for atrial fibrillation/flutter, heart rate variability, heart rate turbulence, and obstructive sleep apnea Customizable workflow and reports, bulk modification, and fast editing EMR compatibility with GDT/XML protocol support Physical specifications: Dimensions: of 76mm × 49mm × 16mm Weight: 50g (excluding battery). OEM: EdanModel: SE-2003Condition: NewWarranty: 2 Years