Avatto SDL-S1-S70 digital locking cylinder (70 mm, silver). Ensure your security and that of your loved ones. The Avatto SDL-S1-S70 digital locking cylinder enables various ways to open the door, including by fingerprint, IC card, the Tuya app or with a conventional key. Installation of the cylinder is straightforward and uncomplicated, and the ability to manage access to the home remotely ensures convenience and security in everyday life.