Advanced 4-in-1 Keyless Biometric Door Lock: This smart lock features Tuya App control, fingerprint recognition, anti-peeping virtual password, and physical key access. With a high fingerprint recognition rate of up to 98%, it unlocks in just 1 second. Supports up to 50 fingerprint entries and 100 password entries, eliminating the need for traditional keys. Designed for Standard American Doors: Compatible with standard door preparations, including 2-3/8 inches (60mm) and 2-1/8 inches (70mm) backsets, and door thicknesses from 1-3/8 inches to 2-1/8 inches (35mm–55mm). No wiring or drilling required. Suitable for both left-handed and right-handed door installations. Enhanced Security: Provides reliable security for residential and commercial spaces such as apartments, offices, and private rooms. Simple, modern design integrates seamlessly into various environments. Battery-Powered Operation: Powered by 4 AAA batteries (not included), offering up to 6 months of operation depending on usage. Features a low battery indicator and includes a Type-C port for emergency power supply. Remote Control and Access Monitoring: Manage the lock remotely and receive real-time access notifications and activity logs via the Tuya Smart or Smart Life app (BLE). Share temporary access codes with family or guests directly from the app. Specifications: Color: Black Material: Aluminum alloy Power Supply: 4 AAA batteries (not included) Emergency Power: Type-C interface Unlocking Methods: Fingerprint, password, mobile app, physical key Fingerprint Capacity: 50 entries Fingerprint Sensor: FPC semiconductor sensor Password Capacity: 100 sets Operating Humidity: 0–90% RH Operating Temperature: -10°C to 60°C Compatible Apps: Tuya Smart, Smart Life Connectivity: Bluetooth Package Dimensions: 22.5 x 20 x 9 cm (8.9 x 7.9 x 3.5 inches) Package Weight: 700g (25 oz) Note: Actual product color may vary slightly due to screen display differences and lighting conditions. Packing List: 1 x Front Door Handle 1 x Rear Door Handle 1 x User Manual 1 x Screw Kit (for doors 35–55mm thick) 1 x Pin (60/70mm)