Feature: 1. Measures the person's blood pressure in anticipation, and then calculates the amount that needs to be pressurized. 2. The lower the blood pressure, the less pressure is applied. Protect the wristband and machine and reliable in use. 3. WHO blood pressure warning bar. After the measurement is completed, there is a short black line on the left side of the screen, which corresponds to the WHO three‑color warning bar on the body. 4. High blood pressure in red color, warning in yellow color and normal in green color. 90 Groups of memory result. 5. Stable performance and with temperature sensor. The pressure sensor will produce a large error at high or low temperature.The temperature sensor measures the actual temperature, compared with the best use temperature of the blood pressure monitor and compensate for measurement results. Specification: Item Type: Blood Pressure Monitor Material: Plastic Wristband: Approx. 135 ~ 195mm / 5.3 ~ 7.7in Measurement Range: Pressure: 20 ~ 280 mm Hg Pulse Rate: 40 ~ 165 beat/min Pressure: Within ±3 mmHg Pulse Rate: Within ± 5% of the reading Application: wrist Size: Approx. 70 x 72.6 x 32.5mm / 2.8 x 2.9 x 1.3in (L x W x H) Battery Model: AA battery x 2pcs (not included) Display: LCD Instructions: Wrist model, easy to operate by pressing the button Measure blood pressure and pulse quickly and accurately Ideal for daily blood pressure monitoring Automatically determine the ideal cuff inflation condition The average of the last three records Can choose between mmHg and kPa Signs of irregular heart beating High/low pulse rate indicator Large and clear LCD display, easy to read Guide criteria for assessing hypertension. Package List: 1 x Blood Pressure Monitor1 x Manual Note: This is a non ‑ voice model and the battery is not included.