When you step on the Medisana BS 410 Connect personal scale, you not only see how much you weigh, you also find out body fat, muscle mass, hydration level, and bone mass. The machine also indicates what your BMI is. The integrated analysis for calorie requirement indicates how many calories you need per day. You can see the measurement data on your smartphone or tablet via the Vitadock+ app. The charts help you keep track of your progress easily and help you greatly on your way to meeting your goals.Note: using a scale with body analysis may lead to health risks for certain people such as pregnant women, children, or people that use medical electronic devices. Before use, check the manual for the safety measures and to see whether the scale is suitable for you.