- Feature Description
Multiple unlock methods Fingerprint, PIN code, key card/fob, Face recognition mechanical key backup, app control.
Remote access Using an app or cloud service to lock/unlock from elsewhere; maybe grant temporary access.
Built-in sensors / logs Record who unlocked, at what time; possibly door open/closed status.
Battery powered Usually uses batteries; does not need hardwiring or mains power; might have low battery alerts.
Weatherproofing / durability Especially for exterior doors; must resist corrosion, moisture, heat/cold.









