Fitdays +, Multi device in one App, smart health monitor, covering smart body fat instrument, nutritional analysis, Body girth measurement, Height measurement and etc devices, support fitness, weight loss, body parameter data record and etc. Fitdays +, help you go get professional health management, guide you to a health life. Main function 8 Electrode: AC proposal + dual frequency, more professional to analysis your body health. 24 users: one account support 24 users, to monitor your family's h