S1: The World’s Most Advanced Smart Lock

Basically, It is Combined with the optional Wi-Fi bridge which can remotely manage permissions and users or check the access logs in-app from anywhere. However, it is approved by multiple international standards and regulations. Furthermore, it provides industry-leading safety performance with a tamperproof all-in-one structure and bank-level encryption built-in. Here, it uses a hidden key cylinder design that accepts a mechanical key as access.  Simply remove the shell and insert your key to get access instantly.

Additionally, It makes remote access easier than ever with the smart Wi-Fi bridge. Remotely unlock the door with a phone for family or visitors, and ensuring that will never be locked out. Additionally, the app has robust permission management that can instantly grant or revoke permissions remotely so that other users can unlock the door with their own phone. However, each access will receive the notification on phone and the app will record the log making it a convenient yet safe access method for services people or rental guests.