Large LCD Screen Display: Instead of normal LCD display scales, the Runstar scale features a large display screen that shows 6 key measurements, including weight, body fat rate, BMI, muscle mass, body water rate and bone mass. You can completely free your hands to read these measurements at a glance without having to stare at your APP for every measurement. Three Guarantees for High Accuracy: This ultra-precision body fat scale, adopting the advanced BIA technology, is equipped with 4 high sensitive electrodes and 4 high precision G-shape sensors that have passed 100,000 times sensor performance tests to enhance accuracy. The scale ensures accurate measurement results to 0.2lb/0.1kg and has a maximum weight capacity of 400lb/180kg. 13 Essential Body Composition data Analyzer: Runstar Scale utilizes electrical Bio-Impedance Measurement Technology to analyze including Weight, BMI, Body Fat, Fat-free Body Weight, Subcutaneous Fat, Visceral Fat, Water, Muscle Mass, Bone Mass, Protein, Skeletal Rate, BMR and Body Age, and swiftly create a proficient body composition review to aid you in conducting a comprehensive self-assessment. User-friendly APP: Download the Starfit app from App Store or Google Play, then you can monitor and track your body data over time periods (by weeks, months or even years) on Starfit App anytime anywhere, and sync data to Apple Health, Fltbit, and Health Connect, also share your progress on Instagram, Facebook, or Twitter. Family Health Guardian: With the ability to create up to 24 user profiles with one account and unlimited accounts, the RunSTAR Scale is perfect for families and friends who want to track their body data for health, also Baby Mode supported. The scale is great for bodybuilders, weight loss enthusiasts, and anyone who wants to maintain a healthy lifestyle.