Tanita's revolutionary new InnerScan line provides information never before available from a consumer scale. Anyone who is serious about improving his or her total health and fitness will love InnerScan. The scales use Bioelectric Impedance Analysis (BIA) to monitor multiple components of overall health. The results are analyzed along with gender, age, height, and weight for the most accurate and comprehensive at-home reading ever available. InnerScan gives you greater control over monitoring and improving your health and fitness. It's exciting new technology from Tanita, the company that brought you the first body fat scales for in-home use.