Blood Pressure Monitor Intelligent automatic measurement: press one button to start and capture measurement values, date and time.Stores up to 90 measurements.Large, easy-to-read LCD screen.World Health Organization blood pressure classification display.Automatic shutdown within a minute of disuse.Displays in either mmHg or kPa units.Upper arm circumference: 8.5 – 20 inRequires 4 AA batteries. Check Eligibility