Multiple Unlocking Methods: Offers a variety of unlocking options, including fingerprint, password, IC card, Bluetooth via the TTLock app, and mechanical key, providing flexibility and convenience High Capacity & Fast Access: Store up to 100 fingerprints, 100 passwords, and 100 IC cards, ensuring quick access for multiple users. Fingerprint recognition is rapid with a read time of just 0.5 seconds Reliable Design: Made from high-quality zinc alloy, this lock offers robust security while maintaining a sleek and modern look Emergency Power Port: Includes a USB charging port for emergency power, ensuring continued functionality even if the batteries run out Wide Compatibility & Versatile Use: Suitable for doors with a thickness of 40-65mm, and works well with both wooden and metal doors, making it a versatile choice for various door types. Operating in a wide temperature range of -20°C to 60°C, it is for different climates