Weight Watchers 8939U Electronic Precision Body Analyser Glass Scale This analysis scale is designed for an accurate measurement of body weight, BMI, body fat, body water, bone mass and muscle mass with the extra benefit of having an athlete mode to distinguish different fitness levels. Features: Accurately measures body weight, BMI, body water, bone mass and body fat Includes athlete mode and muscle mass measurements Large 30mm display Weighs in stones, lbs, kgs Measures in 50g increments for outstanding accuracy. 4 user memory High weight capacity 28st 8lb/400lb/182kg