Memory capacity?oeach 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 />Type: Wrist Blood Pressure Monitor<br />Wrist Circumference: 135 ~ 195 mm<br />Measurement Range:<br />Pressure: 20 ~ 280 mmHg<br />Pulse Rate: 40 ~ 165 beats / min<br />Accuracy:<br />Pressure: within ??3 mmHg<br />Pulse rate: within ??5% of reading<br />Power supply: 2 x AAA alkaline batteries (not included)<br /> <br />Packing content:<br />1 PCS Wrist Type Blood Pressure Monitor<br />1 PCS user manual