The Full Body Sensor Body Fat and Composition Monitor and Scale is a breakthrough device to measure your body composition at home. It measures 6 fitness indicators including body fat percent, BMI, resting metabolism, weight and more! The innovative Full Body Sensor is the only at-home body composition monitor that accurately measures your entire body. It uses 6 advanced sensors - 2 for your hands and 4 for your feet. Clinically proven to be as accurate as expensive medical devices professionals use. It stores personalized information for up to four people plus guest mode.