PRODUCT DESCRIPTION Home blood pressure monitors are essential for preventing cardiovascular disease, improving the therapeutic initiative of hypertensive patients and controlling hypertension. Simply wrap the cuff around your arm, assume the correct sitting position, and simply press a button to get a reading on the large LCD display. Displayed measurement values include: Systolic Blood Pressure, Diastolic Blood Pressure, Pulse, Date, Time and User SPECIFICATION Product Name: Blood Pressure Monitor Power supply: 2 AAA DC3V batteries Product size: 8.5x6.5x2.8 (without strap) Storage temperature: -20C~50C< /p> Storage humidity: 15% ~ 90% Operating temperature: 10 C ~ 40 C Operating humidity: 40% ~ 85% Display: LCD digital display Measurement method: pulse scan method/oscillometric method Measurement range: hypertension/hypotension: 20mmHg~280mmHg Pulse: (40~200) beats/minute Accuracy: 3 mmHg (+0.4 kPa) Pulse: within 3% % of the reading value Voltage: 3V PACKAGE Tensiometer x1