Door Intercom
The door intercom system typically consists of two main components: an outdoor unit installed near the entrance and an indoor unit located within the home. The outdoor unit often features a microphone, speaker, and a camera (in video intercom systems) to capture audio and video from the visitor. The indoor unit includes a speaker and a display screen (for video systems) that allows the homeowner to hear and see the visitor.
When a visitor presses the doorbell, the outdoor unit sends a signal to the indoor unit, alerting the homeowner. The homeowner can then press a button on the indoor unit to initiate a two-way communication channel. This allows for a clear exchange of information, where the homeowner can inquire about the visitor's identity and purpose for visiting.
In more advanced systems, features such as remote access, mobile app integration, and motion detection can be included. These enhancements provide additional layers of security, allowing homeowners to monitor their entrance from anywhere, even when they are not at home.
The intercom can be powered by a direct connection to the home’s electrical system or through batteries, ensuring functionality even during power outages. Installation typically requires basic electrical knowledge, including wiring the outdoor unit to the indoor unit and ensuring proper connectivity to the home’s power supply.
Overall, a door intercom system serves as a vital tool in modern home security, facilitating safe communication between homeowners and visitors.Door intercom is very useful for home security. If you receive a door knock or door bell/alarm, you can push this intercom knob and ask the guest? to identify. 🔗 External reference
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