3D Face Recognition Smart Door Lock with Camera Biometric Fingerprint Security Fully Automatic Smart Lock 1.Infrared light face recognition, fast unlocking, can also be used at night, wide angle, and children with low height. It is forbidden to use photos, molds, etc. to unlock 2..Press the Doorbell on the lock and it will automatically send the image to the indoor screen and app. You can see who is visiting and unlock remotely. 3.Wide-angle camera+3.5-inch large screen can watch the peephole,understand all the situation outside the door. 4.The door opening direction can be selected in the door lock system. 5.Power Supply: Rechargeable lithium battery (Included in package); 6.Convenient APP management system, you can manage your smart lock anytime and anywhere; 7.Emergency Power Supply:with micro USB interface to supply power if the batteries run out; 8.Fingerprint recognition:Semiconductor fingerprint recognition module, suitable for elderly and child; 9.Application environment:wooden door/metal door/security door Product Name: Face Recognition Door Lock APP: Tuya & Smart Life Unlock Way: Face+APP+Fingerprint+Code+Card+Keys Material: Aluminum alloy Door View: Built-in HD Camera Power: Rechargeable Lithium Battery