Automatic blood pressure monitor Measuring method: Oscillometric method One button operation Measurement range: 40 240mmHg SYS, DIA and Pulse with date/time Accuracy: ± 3mmHg for blood pressure, ± 5% for pulse Eletronic with 2 AAA alkaline battery and power off automatically. Mermory: 90 group measurements Standard Wrist Cuff Scope: 14-20cm "Err” indicator Specification: Display system: digital display of the large liquid crystal screen Measuring method: Oscillometric method Atmospheric pressure range: 0 300mmHg (0 40Kpa) Pulse rate range: 40—160/min Pulse rate accuracy: Within ± 5% Pressurization: automatic inflation Deflation: automatic exhaust Measuring accuracy: Atmospheric pressure ± 0.4Kpa Pressure measuring: silicon intergrated pressure sensor Memory: seven memory functions Power source: two festivals of 7 type alkaline battery Environmental temperature for using: 10 40°C,30 75% RH Environmental temperature for storage: -20 60°C,10 95%RH Cuff size: 14 20cm