This scale tracks your weight loss goals with fast, accurate measurement of weight, body fat percentage, and body mass index. Simple controls and a large, easy-to-read display make fat and weight monitoring as simple as stepping on the scale. With support for up to four personal profiles, several people can track their own measurements independently. Measures weight up to 330 pounds. Body fat percentage can be measured from 5 to 60 percent. Body Mass Index is measured from 7 to 90. Scale provides measurements for individual heights from 3' 4" to 6' 6", and people from ages 10 to 79 years old. Measurements are also customized for both males and females. Measures 3 1/4" H x 12 5/8" W x 13 7/8" D. Includes 4 AA batteries. Model #HBF-400.