The BC-730F is a super compact and lightweight body composition monitor using Tanitas exclusive FDA cleared Bioelectrical Impedance Analysis (BIA) technology to ensure the highest level of accuracy. Instantly see the impact of your fitness or weight loss program. Ideal for families it holds the data of five different users with a recall function to see the previous measurements. The Auto Recognition feature can automatically recognize individuals based on ones weight and electrical impedance after initial setup shortening the whole measurement time to only a few seconds. The BC-730F provides a detailed analysis of nine body composition values. Including Weight Body Fat Muscle Mass Body Water Bone Mass Visceral Fat Physique Rating Basal Metabolic Rate and Metabolic Age. It has a weight capacity of 330 pounds (150 kilograms) and operates for greater than two years on four AA batteries (included).