The premium digital body fat scale uses high precision strain gauge sensors to accurately measure your BMI and more. This scale is designed to give you a snap shot of your body composition to help you visualize your path to optimal wellness. This scale measures body weight, body water percentage, muscle percentage, BMI, body fat percentage, bone weight and calorie consumption. It features a digital LCD display, auto on/off, LB/KG/ST switchable and low battery/overload indication. This scale also stores data for 10 users, requires 4 x AAA batteries (included) and comes with a 5 year warranty. It has a 441LB weight capacity.