• Sync with the Fitday & Onfit Apps: Get Fit smart body weight scales give you everything you need It saves your measurements to your smartphone and connects your Apple iPhone or Android device via Bluetooth to get a complete understanding of your body composition and physical well-being. Within the app, you can view 15 body composition analyses. • Updated 15 Body Data Composition Metrics: Our smart scales are designed to help you stay on track, whether you want to achieve fitness goals, maintain your current form, or gain insight into your body. Get Fit uses 4-electrode Bioelectrical Impedance Analysis (BIA) technology to monitor 15 important body data: Weight, BMI, Heart Rate, Body Fat, Fat-free Body Weight, Subcutaneous Fat, Heart Index, Visceral Fat, Body Water, Skeletal Muscle, Muscle Mass, Bone Mass, Protein, BMR, Body Age.• Heart Rate Monitor & Body Type Assessment: Unlike traditional body fat scales, Get Fit’s smart scales can measure heart rate and body balance. Knowing this information helps you have a healthier diet and exercise plan. Body Type Assessment gives you information about your body frame type, the shape and density of your skeletal structures, and the distribution of your muscles and fat.• A Highly Accurate Digital Scale: Equipped with high precision sensor and auto-calibration, it ensures remarkable accuracy (±0.1g/0.2lb) when powered by 4 x AAA batteries. Choose from 3 measurement units: st / kg / lb with a maximum capacity of 180kg/400lb. High-quality rounded edges and a hard glass plate, sized 28 cm by 28 cm and high-visibility big VA screen display (6.2 X 10.9 cm), ideal for daytime and nighttime use. The auto-Off/On will save energy and ensure a longer-lasting battery life.• Multiple User Profiles: The Get Fit smartphone app allows for unlimited user accounts, each holding up to 24 profiles. This gives every family member a clear shot on their health information so they can set goals, save historical data, and track daily, weekly, and monthly progress.