Is the Sifely-S Smart Lock a cylindrical lock?

Related articles

• How do I know, for sure, whether or not I am the super admin of the Sifely-S Smart lock?
• What is the Privacy mode feature?
• What are the Sifely Smart Lock physical keys used for?
• Locking and Unlocking issues
• Why does the Sifely App still display "low battery" for my Sifely S Smartlock after I replaced the batteries?