The Fitbit Aria Wi-Fi Smart Scale measures your weight, body fat percentage and body mass index (BMI) to provide a full picture of your weight trends. This Wi-Fi enabled scale helps you reach your weight goals by letting you set goals, track your progress effortlessly, and stay motivated each and every day. Your stats automatically upload to your Fitbit dashboard through Wi-Fi, where you can get a more comprehensive view of your health and fitness and track your eating and exercise habits. Set up is fast; the scale can be set up to automatically recognize up to 8 users. You can check your progress from your computer or with a free smartphone app. The scale is available in your choice of black or white.