The smart lock model is Matter compatitable which is accessed over Thread，that allows our lock to work with other Apple HomeKit™/Smart things/Alexa/Google -enabled devices in your home after setting it up in the corresponding app ,with built-in WiFi in the model allowing users to directly view the status information of the door lock from a distance, without the need to purchase an additional gateway, powered by eight AA batteries, and supports the unlocking methods of password and mechanical key.Using electronic methods such as passwords for identification can solve the trouble of users not being able to go home because they forget to bring their keys.