The Eufy FamiLock S3 Max uses palm vein recognition and features a built-in screen to show you who’s at the door.
Eufy's FamiLock S3 Max is the earliest arriving model in a line of video smart locks that shine eyes on the outside.
The Eufy Familock S3 Max is one of the best smart locks I've tested, with a twist that makes it more family-friendly.
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