2-Unit Design: 1 outdoor camera and 2 indoor monitors for visual intercom doorbell system, supports two occupants in one building. Individual screens without interfering with each other. With PIR motion detection, our video doorbell accurately detects people near your home, effectively capturing the contours of the human body. Radar detection ensures accurate identification of visitors, allowing you to receive instant notifications. In addition, the video doorbell records the motion detection and plays it through the monitor, enhancing security. of your home. Real-time video call: When someone rings the doorbell, our app will immediately send a call to your phone, allowing you to see and speak with the visitor through the monitor. You won't miss any visitors even when you're not at home. If you're not available to answer the call, you can automatically record it for later review. The doorbell can be connected to various 12V electronic door locks, such as electric locks,