24 USEFUL FEATURES - Digital Scales uses Bioelectrical Impedance Analysis (BIA) technology to monitor the 24 important body data: Weight, BMI, Water, Metabolic Age, BMR, Body Fat, Visceral Fat, Skeletal Muscles, Muscle Mass, Bone Mass, Precisely Measured Protein Mass and Body Age. Please note that this measurement method is not suitable for children. Just step on the scales for instant readings. You can weigh yourself at any , even without a smartphone. As soon as the device is reconnected, the data is synchronized with the application. Product Description: HIGH PRECISION & QUALITY - With a mm thick, high-quality hard glass plate and 4 measuring sensors, the high-precision sensor measures in 0.2 kg increments and has a capacity of 396 lbs / 180 kg. Incl. Including 2xAAA batteries.