Compact Design: eufy A1 Smart Scale measures just 26 × 26 × 2.5 cm, making it ideal for small spaces. It can easily be stored underneath furniture for further convenience. Instant Bluetooth Connection: eufy A1 Smart Scale automatically connects to your phone when you step on it. Record Insights on the App: Connect eufy A1 Smart Scale to the app and it will automatically update your latest insights via Bluetooth. One Smart Scale for the Whole Family: Create up to 16 profiles on the app so the whole family can use it. Please note: This scale only supports weight measurements in kg and lb. It don't provide weight in stones