With fully automatic sliding design, unlocking is to open the lock. Automatic locking when the door is closed, convenient sliding, quicker to open the door; smart upgrade, you can remotely open the door, check the door opening information, set the door lock system and share temporary keys through Topstrong’s smart APP. The integrated metal lock body is designed with strong structure, rounded corners and smooth lines. The CPU encrypted induction door card provides dynamic encryption to effectively prevent copying.