Features 1. Small in size,light in weight and easy to carry. 2. One-key measurement, easy to operate. 3. ECG waveform and interpretation of results are displayed clearly on dot-matrix LCD screen. 4. Seventeen types measurement result can be presented. 5. Up to 1200 records for quick measurement or 10-hour data records for continuous measuring can be stored in built-in memory. 6. Data records can be reviewed,copied,deleted,and uploaded as well. 7. Power saving technique with automatic shutting-down function. 8. Two AAA batteries are used to support more than 10 hours working time(wireless transmission function is disabled). 9. Wireless data upload function.