Spec.

3 colors backlight for LCD 

1. Large LCD size: 80 x 72mm; 

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. Automatic power-off function;