1. 2x90 groups memory function;
2. Average calculating for the latest 3 times measurement value;
3. Blood pressure classification (WHO) indicator;
4. Irregular heartbeat (IHB) indicator;
5. Year/month/date/time function;
6. Accuracy :Pressure +/-3mmHg; Pulse+/-5%;
7. Automatically inflate and deflate;
8. Power by 2 AAA size alkaline batteries;
9. Automatic power-off function;
