The Talking Wrist Automatic Inflation Blood Pressure Monitor, model 1145, is a voice output sphygmomanometer and pulse meter designed for use by individuals who are blind or have low vision. This unit displays blood pressure and pulse readings with time and date and clearly announces measurements. It has dual memory zones with 60 memories each, and features auto-off and a World Health Organization hypertension alert system. It comes with a storage case. POWER: Uses 2 triple-A batteries. DIMENSIONS: The unit fits wrists from 5.3 to 7.7 inches in circumference. WARRANTY: Limited two-year warranty.