Versatile Unlocking Options: Offers multiple access methods including app, mechanical keys, card, WiFi, password, and fingerprint, providing flexible and secure ways to unlock your door Wide Door Compatibility: Designed to fit doors with a thickness of 33mm to 50mm and supports various door types such as steel, wooden, brass, and stainless steel, ensuring versatile installation options High Durability & Protection: Made from premium aluminum alloy, the lock is rated with an IP67 protection level, making it resistant to dust and water for enhanced durability in various environments Emergency Power & NFC Function: Features a USB emergency power option for uninterrupted access in case of battery failure and supports phone NFC functionality for quick and easy unlocking with your smartphone Multiple Color Choices: Available in three elegant colors—silvery, black, and gold—allowing you to select the one that best complements your door's aesthetic while maintaining a modern and stylish appearance, Manufacturer: JOXLOVER