Your health guardian in your pocket Adopting advanced technology from various countries， it is small and accurate. Convenient operation， follow-up pressure function， 90 groups of history statistics !#!amp!*! display of blood pressure grade<br> <br><br>                                    Features            Intelligent pressure90 set of measurement data memoryThe article warning the state of WHO blood pressureArrhythmia hintTime functionOverpressure protection functionWrapped in a good sense， it is comfortable to use                                                            Specifications            Display    LCD Digital Display Screen    <br>Measuring Method    Pulse Scaning / Oscilloscopic Measurement    <br>Measurement Range    Blood Pressure:20 - 280 mmHg， Pulse Rate: 40 - 165 Times / Min    <br>Accuracy    Blood Pressure: ±3 mmHg or ±2%， Pulse: ±5% of Measured Data    <br>Memory Capacity    Each Side may record 60 groups of measurement data    <br>Pressurization    Full Automatic Pressurization Mode    <br>Decompression    Full Automatic Decompression Mode    <br>Air Discharge    Full Automatic Rapid Exhaust Mode    <br>Forced Induction    Semiconductor Pressure Sensor    <br>Power    Internal Electric Source BF Group(No. 7 Alkaline Cell)    <br>Operation Temperature and Humidity    +10℃~+40℃(50℉~104℉)， 40%~85% R.H    <br>Power Supply    2 x AAA Battery(not included)    <br>Wrist Circumference    135-195mm Cycle    <br>Main Unit Dimensions    (2.83 x 2.76 x 1.26)" / (7.2 x 7 x 3.2)cm (L x W)    <br>Weight    7.27 oz / 206 g    <br>                                                            Package Includes            1 x Automatic Wrist Watch Blood Pressure Monitor White1 x User Manual