Additional Details ------------------------------ Product description: The SDI-1586W is Clever Choice's newest revised Wrist Blood Pressure Monitor. Put it on your wrist, press one button, and your good to go. results in 20 seconds. Stores 120 readings, displays the World Health Organization rating for your blood pressure, features a large, easy to read, screen and has auto power off. Box includes a hard carrying case and instructions in both English and Spanish.