In Wired VDP the camera lens of the Video Door Phone must be having protection in a strong case and must be robust enough to withstand any attempt of tampering. Also, it shall be easily integrated with an alarm system so that it can alert if anyone tries to tamper with it, anyway. It comprises two elements–An outdoor station and Indoor Panel. The outdoor panel is installed at the entrance gate which consists microphone, speaker, camera, and a push-button whereas the indoor panel consists of a display panel including a microphone, speaker; where you can view and communicate with the visitor. Also, through a push of a button, you can grant access to the visitor.

Wireless Video Door Phone Systems are more convenient and easy to use electronic gadgets. Users prefer the wireless door phone systems as it is easy to install and easy to operate even in your absence. This system allows people to communicate through Wi-Fi and hence it helps to keep your security technologies hidden. The absence of wires also makes it more elegant. With a wireless doorbell, you can answer the calls even when you are not at home. Once you are away, the phone camera connected to an app gets activated and hence allows you to answer the calls remotely and speak to the visitors.

For Multi-apartment Video Door Phones, the indoor unit of VDPs provides the recording facility wherein the system can record communication between visitors and residents and take a picture if required. The trendy intercom feature of VDPs allows residents to communicate with other residents in the same society, hence eliminating conventional telephones with the EPABX system and reduces costs. This stylish device even enables users to leave messages when away from home and can also make emergency calls to the main guard station. Similar to villa VDPs, Multi Apartment VDPs have in-built Intrusion Alarm features which get active in any threat situation.