This Precise blood pressure monitor is capable of storing and reviewing the last 120 readings from two users. Stethoscopes With a very intelligent system, this upper arm blood pressure monitor allows you to obtain a precise reading within 2 minutes. With the press of a button, you can easily measure your blood pressure accurately in the comfort of your own home. Your systolic, diastolic, pulse and heart rate measurements are displayed on the screen, the WHO indicator will allow you to locate your blood pressure level in relation to normal. Finally, the measured data along with the date and time will be stored in the memory. By navigating through the functions, you can display the averages of the last three measurements. By consulting the last 30 measurements, you can follow the evolution of your blood pressure level over time. Features: Memory capacity: 99 measurements for 2 people Operating temperatures: 5 ~ 40, Humidity: 15% - 85% Storage temperatures: -10 ~ 55, Humidity: 10% - 85% Power supply: USB port or 4 AAA 1.5V batteries (not included) Measuring ranges: Pressure: 0KPa-3703kpa (0mmHg-280mmHg) Pulse: 40-199times/min Accuracy: 3mmHg Static pressure: 3mmHg (0.4kPa) Pulse: 5 % Safe and comfortable, this device measures your blood pressure completely automatically. Measuring range: Pressure 20 ~ 280 mmHg, Pulse: 40 ~ 160 pulses/min. High quality and very secure: Large LCD screen, CE FC standards, FDA approved. Dual measurement: The blood pressure monitor quickly measures both blood pressure and pulse. The device also displays the average value. All with very high precision.