The Advocate Speaking Wrist Blood Pressure Monitor accurately measures Systolic and Diastolic blood pressures in mmHg and heart rate in pulses/minute. Results are displayed on a large 3-color backlit LCD screen and announced in English or Spanish, or it can be placed in non-speaking mode for privacy. Other features include color-coded W.H.O. Blood Pressure Indicator (World Health Organization Color Coded Reference Chart for Blood Pressure Risk Classification), 90 result memory with date and time, Irregular Heartbeat indicator and automatic cuff inflation/deflation. Cuff size range is 5.3" to 7.7". Monitor has an automatic shut-off feature after 2 minutes to preserve battary life. Comes in convenient plastic carry case.