Upgrade your home security with the Zonixtec Smart Lock. This lock combines luxury with high-tech safety. With 3D Face Recognition, you don't need to carry keys anymore. The strong aluminum body protects your home from break-ins and bad weather. Why choose Zonixtec? Visual Monitoring: The indoor screen lets you see visitors before opening. Easy Access Management: You can save many fingerprints and codes for family or staff. You can also check who entered using the app. Emergency Power: If the battery is low, you can use a USB cable to power the lock and get inside easily. What's in the box? Smart Lock, 2 Mechanical Keys, 2 IC Cards, Charging Cable, and Installation Guide.