The Taylor 5581F Body Composition Scale will provide weigh only measurements and also analyzes components of body composition, to assist you in managing overall body health. Utilizing BIA technology, this scale will estimate body fat and body water percentages. Operating in both normal and athlete modes, this scale stores profiles for up to 4 unique users. The BMI (body mass index) calculation of the user's ratio between height and weight. The tempered glass platform fits most foot sizes comfortably, and the readout size 3.0" x 1.9", is easily viewable. Buttons are simple and easy to use. With a capacity of 400 lbs, this scale weighs to the 0.2 lb increments. Includes 2 AAA batteries. Taylor provides a 5 year limited warranty.