Please be kindly noted,the listed product is produced and distributed abroad and subject to the laws of its country of origin. Bioland Oscillometric Blood Pressure Monitor features measurements of systolic blood pressure, diastolic blood pressure and pulse rate, irregular heartbeat detection, automatic one-key operation, 3.2-inch LCD display, voice reader, auto-off, 128 sets of data and USB port.  Features: Adopts oscillometric theory for fast and accurate results of blood pressure measurement. Large 3.2 inches LCD display with English voice readout for easy data reading. One-button operation, automatically measures systolic, diastolic and pulse rate, extremely simple to use. Data logger enables you to view 128 sets of readings. Irregular Heartbeat Detection (IHD) can mind you the abnormal physical condition. Large cuff fits arm between 8.5 inches and 12.5 inches in circumference. Auto power off after 1.5 minutes to save the battery life.  Micro-USB port allows you to power the BP machine with any USB device. Note: *Please carefully read the user manual before use. *Batteries not included. Specifications:  Brand: Bioland Material: ABS Color: White Display: Digital LCD Inflation & Deflation: Automatical Pressure Measuring Range: 0-300 mmHg Pulse Rate Measuring Range: 40-195 beats/min(Pulse) Measuring Method: Oscillometric Memory: 128 sets Pressure Display Accuracy: ±3 mmHg Pulse Rate Display Accuracy: ±5% NIBP Measurement Range: SYS 60 to 260 mmHg; DIA 30 to 195 mmHg; Pulse rate 40 to 195 beats/min. NIBP Accuracy: Maximum mean error within ±5 mmHg; Maximum standard deviation within 8 mmHg Pluse Rate Accuracy: Within ±5% of reading Inflation: Electric pump inflation Deflation: Pressure release value Battery: DC 6V, 4pcs AA Alkaline batteries(1.5V, LR6) (not included) Battery Life: Approx. 250 normal tests Operating Environment Condition: 5℃~40℃, RH≤93%, 500hPa~1060hPa Cuff Fit Arm Size: 22~32 cm / 8.66~12.59 in Rated Air Pressure: 300 mmHg Item Size: 12.5*9.5*6cm / 4.92*3.74*2.36in Item Weight: 310g / 10.93oz Package Size: 16*10.5*9.5cm / 6.29*4.13*3.74in Package Weight: 386g / 13.61oz (battery not included) Packing List: 1 * Blood Pressure Monitor 1 * Cuff 1 * User Manual(English)