What is smart door lock

I got this definition from Wikipedia

A smart lock is an electromechanical lock which is designed to perform locking and unlocking operations on a door when it receives such instructions from an authorized device using a wireless protocol and a cryptographic key to execute the authorization process. It also monitors access and sends alerts for the different events it monitors and some other critical events related to the status of the device. Smart locks can be considered part of a smart home. 

In brief, the smart door lock is a lock that is improved based on the traditional mechanical lock and is more intelligent and simpler in terms of user safety, identification and management. It’s keyless door lock that allow you to open your door without a physical key.

It is common to understand that a door lock with any function such as fingerprint unlocking, password unlocking, card unlocking, App Bluetooth unlocking, networking, etc. is called a smart door lock.

Features:

The core function of the intelligent door lock is "keyless unlocking".

The door lock can be used to distribute and unlock the lock, obtain the lock status, and connect with other devices.

Based on these basic functions, it also radiates many specific functions and technology. Finger vein recognition technology, palm vein recognition technology, iris recognition technology and new technology NB-IOT used on smart lock.

Technology is constantly evolving. Now, I think we should choose smart locks that are both practical and stable.