Building intercom

When the owner walks home, face recognition automatically detects the owner's identity and opens the road gate automatically. When the owner comes to the door of the building apartment, the building intercom detects the owner's identity and automatically opens the door, the owner comes to the elevator entrance, the elevator door has been booked in advance to wait, and arrives directly at the floor. Visitors need to call the owner through the building intercom at the entrance of the community, the owner will talk to the visitor through the small butler or APP, and notify the release after confirming the identity, the visitor comes to the door of the building, calls the owner through the building intercom, the owner through the intelligent small butler and the visitor's video to confirm the identity and release, and the elevator reservation takes effect automatically, and the elevator door is straight to the floor.