Weight Management is critical for wellbeing. Being overweight increases your risk of health conditions such as heart problems, high blood pressure, Type 2 diabetes, and certain types of cancer. DIGITAL SMART SCALES Take total control, conveniently with these "linked" body composition and diagnostic scales. Makes keeping in good health easier Automatic synchronization with Fit brick app (downloadable) Optimized for every life stage Multi user friendly Power source: 3x AAA batteries (Included) 6-year warranty