Advanced 4in1 Keyless Biometric Door Lock Experience secure, convenient, and reliable entry with this Tuya Appenabled smart lock. Featuring fingerprint recognition, antipeeping virtual password, physical key access, and app control, it ensures quick, hassle unlocking without the need to carry keys. The recognition rate of up to 98% allows you to unlock in just one second. Store up to 50 fingerprint profiles and 100 password combinations, making it ideal for families, roommates, or office staff. Designed for Standard American Doors Compatible with standard U.S. door sizes, this lock fits backsets of 23/8 inches (60 mm) or 21/8 inches (70 mm) and door thicknesses of 13/8 inches to 21/8 inches (35 mm to 55 mm). Installation is straightforward with no need for wiring or drilling, and it works with both lefthand and righthand doors, making it flexible for various setups. Enhanced Privacy and Security for offices, apartments, shared housing, or other private spaces, this lock adds an extra layer of protection against unauthorized access. The antipeeping virtual password feature prevents exposure of your entry code, even in shared environments. Battery Powered with Emergency Options Powered by four AAA batteries (not included), this lock offers up to six months of performance based on usage frequency. The builtin low power alert ensures you are notified before batteries run out. In case of power loss, a TypeC emergency interface provides quick backup to restore access. Practical Use Scenarios Home use: Secure your front door or a private room without worrying about lost keys. Office setting: Control access for employees and visitors with fingerprint or password management. Rental property: Easily manage codes and fingerprints for shortterm tenants without replacing locks. Key Specifications Access methods: Tuya App, fingerprint, virtual password, physical key Fingerprint capacity: 50 groups Password capacity: 100 groups Backset: 23/8 inches (60 mm) or 21/8 inches (70 mm) Door thickness: 13/8 inches to 21/8 inches (35 mm to 55 mm) Installation: No wiring, no drilling, left or righthand compatible Power: 4 AAA batteries, TypeC emergency power port This smart door lock offers easy installation, robust control options, and dependable security for everyday protection and convenience.