Elektronisches Türschloss, Größenverstellbar, Mit Schlüssel- Und Fingerabdruckerkennung

【Remote Control】With the compatible eSmartLock app, you can remotely authorize family, friends, and colleagues to unlock the door. Supports 1 administrator and over 500 regular users. The administrator can authorize unlocking times and durations, and monitor unlocking data such as unlocking time, unlocking method, and username. Keyless unlocking: Supports fingerprint and physical keys. Simple programming with clear voice commands. Supports 5V micro-USB power supply. Easy installation: Only requires replacing the lock cylinder; compatible with most EU door locks. No need to disassemble the door or replace the door shell, and no professional installers are required. Symmetrical lock cylinder length is 30/30 mm, extendable to 30 mm if necessary. User management: Easily add or delete user information on the device and view unlocking records. The administrator can authorize unlocking duration and duration, and monitor unlocking details such as unlocking time, unlocking method, and username. Low battery warning: When the battery level drops below 20%, indicator lights and the app will emit a clear voice warning. Supports emergency power supply via a 5V micro-USB interface.