Visocor OM50 Blood Pressure Monitor With box Fully automatic measurement of blood pressure and pulse at the upper arm -Clinically tested measuring accuracy - ISO 81060-2 - Display of irregular pulse - Date/Time function - D-Ring-cuff of circumferences 22-43cm (8.66-16.9in) - Memory for 60 readings - Up to 800 measurements with one set of batteries - AC adapter option available