tihuan Features: Quick and accurate measurement of blood pressure and pulse Wrist type model with simple operation of just 1 button push Ideal for the daily monitoring of blood pressure Automatic determines ideal cuff inflation Average value for last three records Selectable between mmHg and kpa Irregular heart beating signal High & low pulse rate indicators Large and clear LCD, easy to read Guide standards for assessment of high blood pressure Warning heart blinker, shows that the monitor is taking measurement Type: Wrist Blood Pressure Monitor Wrist Circumference: 135 ~ 195 mm Measurement Range: Pressure: 20 ~ 280 mmHg Pulse Rate: 40 ~ 165 for beats / min Accuracy: Pressure: within 3 mmHg Pulse rate: within 5% of reading Power supply: 2 x AAA alkaline batteries (not included) Specifications: Size:70*72.6*32.5mm(L*W*H) Box size:90*90*89mm Netweight:202g Color:White Packing content: 1 x Wrist Type Blood Pressure Monitor