3D Face Recognition Smart Door Lock:Smart door lock supports multiple ways to unlock. 3D face recognition unlocking, Smartphone App, Biometric fingerprint, Mechanical Key, IC Card. HD Screen Keyless Entry Door Lock:This smart entry door lock has a built-in HD wide-angle camera. People just press the doorbell button on the lock the camera screen will be activated. Smart locks with camera integration is the new technology to keep your door neat without spying holes. 3200mAh Lithium Battery Rechargeable:Built-in 3200mAh lithium battery, in an emergency, when the battery is dead, you can use the emergency charging port to charge the battery to unlock the lock, and the smart lock has a low battery alarm function, you don't have to worry about power failure and being unable to enter. Fingerprint Door:With its All-new Wi-Fi connectivity, you can control from absolutely anywhere via the app. Add Wi-Fi to remotely control your smart lock. Suitable for Many Occasions:A built-in sensor detects when your door is closed and locks it automatically behind you, every single time. Smart Keyless Door Lock, perfect for all kinds of life scenes, Home safety, Company security, Hotel, and Vacation Rental Host.