eufy FamiLock S3 Max + Indoor Cam S350 + HomeBase S380eufy FamiLock S3 Max Palm Vein Unlocking: Achieve recognition in just 0. 1 seconds with secure, forgery proof palm vein technology. Your palm vein data is stored locally on the lock, keeping your privacy entirely in your hands. This all in one device: This smart lock features a 2K HD night vision camera, a 150 wide angle video doorbell, and a smart lock with real time alertskeeping your home secure. The Rear Lock Video Screen: The Video Screen lets