Spec.  

1. Large LCD size :55 x 44mm;
2. 2x90 groups memory function;
3. Average calculating for the latest 3 times measurement value;
4. Blood pressure classification (WHO) indicator;
5. Irregular heartbeat (IHB) indicator;
6. Year/month/date/time function;
7. Accuracy :Pressure +/-3mmHg; Pulse+/-5%;
8. Automatically inflate and deflate;
9. Power by 4 AA size alkaline batteries or AC/DC power supply;
10. Silence design;
11. Automatic power-off function;