Totally different from your dad's old needle scale, the Fitbit Aria WiFi Smart Scale uses advanced technology to track weight, lean mass, body fat percentage, and body mass index, allowing you to see all the numbers you need to start living a healthier lifestyle. With room for the storage of up to eight users, this scale recognizes who you are, displays your data, and sends your stats straight to your Fitbit account through your home's WiFi while remaining totally private to you. The sleek polished glass surface looks classy while resisting the condensation from steamy hot showers. Weight + More Tracks weight, body mass index (BMI), lean mass and body fat percentage, making it easy to keep you on track for your goals Wireless Syncing Sync stats wirelessly and automatically using your home Wi-Fi network, so you can track your achievements. Multiple Users Recognizes up to eight users and keeps individual results private. Share and compete with others in your household, or set your own personal goals. Charts and Graphs Displays weight stats and progress trends in easy-to-read charts and graphs so you can monitor everything with ease. Tracker Compatible Works with Fitbit trackers and the Fitbit app so you can set goals and use Calorie Coaching to achieve them. Sleek Design Built with a polished glass surface, fit for every home.