Handheld ECG Monitor, MD100A is designed for home use with the purpose of health care, and is suitable for users who may suffer from cardiovascular disease, such as hypertension, diabetes, coronary heart disease, etc., or those who have the symptoms of heart-throb, stuffy chest. It can be used to check their heart conditions regularly, and the stored ECG records can be used as a reference for clinical ECG examination. Features: Small, portable and easy to operate Completely cable and electrode free Fast measurement in just 30 seconds 100 records of ECG Strips, each record with 30-second ECG waveform and analysis result Measurement of one channel ECG anytime, anywhere you like Display of ECG waveform, heart rate, analysis results and battery status on the backlight LCD Auto power-off while no key is pressed in 60 seconds Auto-evaluation based on detected heart data 4 batteries can take at least 500 times measurement Data Review freely