Electronic Blood Pressure Moniter

Display: Digital display mode Measuring method: Oscillographic method Memory capacity: 2 users 99 groups Measurement Range: Blood Pressure: 0 ~ 299 mmHg Pulse Rate: 40 ~ 180 times/ min Accuracy: Blood Pressure: within ±3 mmHg(±0.4kPa) Pulse rate: within ±5% of reading Working conditions: Temperature:5-40??br />Humidity:15%-85%RH Size: 77.5 * 68 * 30mm(L*W*H) Wrist perimeter measurement:135-215mm Power supply: 2 x AAA alkaline batteries (not included)