This scale will quickly measure body fat and body water to within 0.1 percent. The calorie feature indicates the calorie intake needed to maintain present body weight. Four high precision strain gauge sensors measure weight, body fat and body water. The scale calculates weight in 0.2-pound increments and the fitness minder calculates bmi. The large 3 inch LCD display is easy to read and the scale features a tempered glass platform with a memory setting for up to 10 users. The step auto on/off option conserves battery use. Also includes overload and low voltage indicators.