The Talking Blood Pressure Monitor is a small portable monitor that allows you to measure systolic and diastolic blood pressure on the go. This SureLife blood pressure monitor is fully automatic and ready to go. Sure Life Talking Arm Blood Pressure Monitor Features: Talks in English, French, Spanish One Touch Operation Universal Cuff ( One Size Fits All) Irregular Heart Beat Detection Blood Pressure Mode and Clock Mode 1-99 Readings 4 User / 396 Total Memory 4 Alarm Clock Settings 5 Mode Averaging Function - Hour, Day, Week, Month, Overall Auto-off Power Saving Feature Operated by 4 AA batteries ( AC Adapter optional).