Start with perfection: Our athletes are busy and require accuracy they can trust. The eros smart body fat scale has been manufactured with excellence each step of the way to ensure that you get a precise body composition scale that includes all the convenient features you expect. Auto on/off, auto-calibration, high accuracy, and upgraded extra load sensors have been packaged into this beautifully engineered measuring machine that will enhance the look of any room. Complete body composition: Metrics include body weight, body fat percentage, muscle mass, body water percentage, bone mass, BMI, visceral fat, protein, subcutaneous fat, fat-free body weight, skeletal muscle; even your basal metabolic rate which tells you exactly how many calories you should be eating! Free and smart: The APP syncs your smartphone seamlessly to the scale and allows you to easily track your body composition with a simple touch.