The ECG H3 Plus 3CH is a medical device used for recording and analyzing the electrical activity of the heart. It features three lead channels, allowing for basic analysis of cardiac activity. The device has a 2.8-inch color LCD screen that displays clear and accurate ECG waveforms. The ECG H3 Plus 3CH has a rechargeable lithium battery, which provides up to 10 hours of continuous use on a single charge. It is compact, lightweight, and portable, making it suitable for use in various medical settings, including hospitals, clinics, and mobile healthcare facilities. The device is easy to operate and comes with built-in storage capacity for up to 100 ECG records. It also has the ability to transfer data to a computer via a USB cable or SD card. Overall, the ECG H3 Plus 3CH is a reliable and cost-effective device for basic ECG analysis, suitable for medical professionals who require a compact and portable ECG machine.