This scale analyzes 13 body data points, including Weight, BMI, Body Fat, Fat-free Body Weight, Subcutaneous Fat, Visceral Fat, Body Water, Skeletal Muscle, Muscle Mass, Bone Mass, Protein, BMR, and Metabolic Age. Weigh yourself anytime without your phone; the data syncs to the app once connected. It features a 6mm toughened glass plate, 4 high-precision sensors, and rounded corners for safety. The scale has a capacity of 180kg/28st/400lbs and increments of 0.2lb / 0.05kg. The self-illuminated LED display provides clear readouts from any angle. Compatible with smartphones running iOS 8.0 / Android 6.0 or higher via Bluetooth 4.0. Data from the FITDAYS app can synchronize with Fitbit App, Apple Health, Google Fit & Samsung Health. It supports unlimited users, allowing all family members to track their fitness trends with automatic chart generation. Results can be shared with friends for mutual motivation. CE, RoHS FDA, FCC approved.