After connecting the APP and performing the first measurement, the body fat scale with app can independently complete the measurement of the body composition and display eight essential parameters, even nearby without your smartphone. It can store up to 24 records and automatically sync with the APP once your phone is connected to the meter, so don't worry about missing data.This wireless digital scale is equipped with eight electrodes (four foot and four hand electrodes) that measure limbs and trunk separately and accurately display fat and muscle percentages of each part of the body in a professional report. In addition, based on the report, you will receive an analysis of your physical condition, including the analysis of body composition, the ratio of muscle and fat, possible obesity and body type. As a result, you can train more effectively on the basis of these analyses, because they are adapted to your condition.This body analysis scale provides accurate measurement and analysis of body weight, BMI, body fat, body water content of the body, muscle mass, bone mass, subcutaneous fat tissue, abdominal fat, etc., and it providesdetailed history charts of multiple readings, allowing you to develop your body composition over days, weeks, months or more for years and your fitness plan continuously.This intelligent body car allows the creation of up to 24 user profiles and can automatically recognize users by their weight(+/-2 kg or 4.4 lb), in addition, each user can easily receive data on his smartphone and the data of all users can be managed individually separately. For a healthy lifestyle, shared with friends and family.The app provides detailed charts of 13 measurement values and saves historical data to track the changes of your body composition over days, weeks, months or even years. Clear data graphs give you a clear view of your body change, enable you to reach your goal in health way.The scales for body weight syncs the data with your smartphone. View your body composition on the "Fitdays" App. Then the data also can be synchronized to Apple Health, Fitbit and Google Fit automatically. You can share your daily exercise which affects your body composition to your social platform.