Advanced Biometric & Multifunctional Unlocking: Unlock your door securely using multiple methods including fingerprint recognition, APP, Bluetooth, mechanical keys, card, or password, offering convenience and flexibility for all users Built-in Doorbell & Camera: Equipped with a built-in doorbell and camera, allowing you to easily communicate with visitors and monitor who is at your door, enhancing both security and convenience Stylish Construction: Made from high-quality aluminum alloy, the lock is designed to be both and aesthetically pleasing, ly complementing wooden doors and other door types Wide Compatibility & Reversible Handle: Suitable for mortise 5050 locks and wooden doors (as well as other types), with a reversible handle direction for flexible installation to suit various door configurations Bluetooth Connectivity: Features Bluetooth connectivity for easy remote control and management through an app, offering seamless access from your smartphone or other connected devices, Manufacturer: QZCX