Twin scle measures following parameters : Weight, Body fat, Body water, BMI, Metabolic Age, BMR, Visceral fat, Skeletal Mass, Muscle Mass, Bone Mass, Protein, Fat-free body weight, subcutaneous fat, and physique rating. Dimension：310 X 310 X 25mm Accuracy：0.05-0.1KG Total Data：15+ Conductor：Four Electrodes (Metal or ITO) Capacity：0.2-150KG Wireless Mode：Bluetooth Heart Rate Report：Support CS20X Dimension：320 X 320 X 19mm Accuracy：0.05-0.1KG Total Data：15+ Conductor：Four Electrodes (Metal or ITO) Capacity：0.2-150KG Wireless Mode：Bluetooth Heart Rate