At every weigh-in, Body Scan can record a 6-Lead Electrocardiogram, a test often done in a hospital representing the electrical activity of your heart. By performing regular ECGs, you increase the probability to record and detect signs of atrial fibrillation (AFib) a common form of arrhythmia that can lead to serious heart-related complications if left undiagnosed. Connect to Wi-Fi or Bluetooth, and automatically sync your health data to the Withings app. Enjoy a clear and bright color screen, so you can see your measurements at a glance. Recognizes up to 8 different users, allowing everyone in your home to easily monitor their health data.