The Avatto SDL-S1-S90 digital lock cylinder offers a modern solution for access control, ensuring security and convenience. With a variety of unlocking options, including fingerprint recognition, IC card, the Tuya app and a traditional key, this cylinder is both user-friendly and versatile. Installation is straightforward and requires no modifications to the door or door frame, making it an ideal choice for most doors. In addition, integration with the Tuya app enables remote control of access, providing additional security and flexibility. The cylinder is designed for indoor use and offers a reliable solution for modern residential and commercial premises. Versatile unlocking options: Fingerprint, IC card, Tuya app and traditional key. Easy installation in just 10 minutes without any changes to the door structure. Compatible with up to 100 users, ideal for families or offices. Battery powered with long-life RCR123A battery for reliable performance.