Feature: 1. 【Enhanced Security Mechanisms】: Our smart door lock features multiple security mechanisms to ensure the utmost safety for your home. With automatic locking and keyboard locking functions, the lock will automatically lock itself after 5 seconds of unlocking and temporarily disable the keyboard for 3 minutes after 5 failed attempts with fingerprint, card, or password. In case of emergency, mechanical keys and the administrator app can still be used for unlocking. 2. 【Convenient App Control】: Our smart lock is equipped with a user-friendly mobile app that offers a wide range of functionalities. From checking unlock records to activating automatic lock and security lock modes, the app provides you with complete control over your door lock. You can also monitor the power level of the lock directly from the app. 3. 【Battery Alert and Emergency Power Supply】: Never worry about running out of battery with our smart lock. When the battery level is low, the lock will notify you through voice prompts. In case of battery depletion, simply connect a backup battery or use the mechanical key through the USB Type-C interface located at the bottom of the front panel. It's crucial to replace the battery as soon as possible after unlocking. 4. 【Enhanced Privacy with Security Lock】: For added privacy and control, our smart door lock is equipped with a security lock switch on the back panel. Once enabled, fingerprints, cards, and passwords of regular members will become invalid, ensuring only mechanical keys and the administrator's app/fingerprint/card/password can be used for unlocking. 5. 【Multilingual Support and Compatibility】: Our intelligent fingerprint door lock supports 10 languages, making it suitable for users from different countries. With its versatile design, it is compatible with various door types with a thickness ranging from 38mm to 55mm. Experience the convenience and security of our smart lock for your front door today. Specification: Material: Aluminum alloy Door Thickness: 38mm-55mm Encoding Length: 6-10 bits Working Temperature: -20 ° C~70 ° C Working Humidity: 20%~80% RH Static Power Consumption: