1. Super large LCD Display 2. 66 groups memories 3. Pressure and Pulse query 4. Memories one-off deletion 5. Time display and alarm clock 6. Apoplexy precautioned 7. Measuring method: Oscillometric method 8. Power source: "AA" batteries 1.5V×2 9. Measuring range: 0-280mmHg( Pressure) 40-200pulses/minute( pulse) 10. Accuracy : ±3mmHg(pressure); ±5%(pulse) 11. Pressurization: Auto pressurization 12. Deflation: Auto relese 13. Automatic power off: To be automatically cut off after 2 minutes of non use to save energy 14. Operating environment: 15-25℃, RH≤80% 15. Storage environment: 0-40℃, RH≤80% 16. Dimension for packing: 168(L)×80(W)×101(H) 17. Gross Weight: Approx. 450g