Features 1、Memory of measurement results in 99 pairs, the average reading of the last 3 measurements can be displayed for easy comparison. 2、Manual shutdown or automatic shutdown after 1 minute no operation, simple and convenient to use. 3、LCD digital display, results show high/low pressure/pulse, large screen size, clear reading. 4、Full-course voice broadcasting, user-friendly and more convenient to use. 5、30 degree angle of view, more convenient to observe data. Specification Condition: 100% Brand New Item Type: Blood Pressure Gauge Material: ABS + PC Measurement: Upper arm Measuring Arm Circumference: 22 ~ 32cm / 8.7 ~ 12.6in Measurement Range: Blood Pressure 0~280mmHg (0~37.3kpa), pulse rate 40~195 times/min Method of Measurement: Pulse Scanning/oscillography Measurement Accuracy: Blood Pressure ±0.4kpa (±3mmHg), pulse number reading value of ±5% Working Environment: Operating Temperature: 10℃~40℃ Operating Humidity: 40%~85% Closing Mode: Manual shut down or 60S after no operation Display Screen Size: Approx. 41 x 61mm / 1.6 x 2.4in Product Size: Approx. 122 x 110 x 53mm / 4.8 x 4.3 x 2.1in Battery Model :4 x 1.5V (not included) Number of Memory Groups: 99 pairs Package List 1 x Blood Pressure Gauge 1 x Storage Bag 1 x Manual 1 x Arm Strap