Multiple Unlock Methods: Supports Fingerprint, Digital Passcode, IC Card, Mechanical Key, and Tuya App remote unlocking. Slim Profile Design: Specifically engineered with a narrow body to fit bridge-cut aluminum doors and slim-frame wooden or metal doors. Tuya Smart Integration: Real-time notifications, access logs, and temporary password generation via the Tuya/Smart Life app. Weather Resistant: Built with high-quality zinc alloy for durability and corrosion resistance. Emergency Power: Equipped with a micro-USB emergency power port to prevent lockouts if batteries die. Universal Handing: Reversible handle design suitable for both left-handed and right-handed door openings.