eufy FamiLock S3 MaxPalm Vein Unlocking: Advanced Security with 99. 9% Accuracy. Achieve recognition in just 0. 6 seconds with cutting edge, forgery proof palm vein recognition. This next gen security feature relies on the unique vein patterns in your palm, ensuring top tier protection. Plus, your palm vein data is stored securely on the device, keeping your privacy intact. This all in one device: This smart lock features a 2K HD night vision camera, a 150 wide angle