Well, don’t get too excited just yet: The Brinks Electronic Fingerprint/Keypad Deadbolt with Pro-Guard ... lock has no clock or connection to an external one, all PINs are all-or-nothing ...

It's not the prettiest smart deadbolt, but you can open it with a PIN, a fingerprint, an Apple Home Key, or—most interestingly—entirely hands free with your face.

You can currently purchase the Level – Bolt Bluetooth Retrofit Smart Lock with App/Keypad/VoiceAssistant ... your existing deadbolt to a smart lock without altering the external appearance ...