Q:

How do IP surveillance cameras work?

A:

Quick Answer

IP surveillance cameras, or Internet protocol cameras, are digital cameras with Internet connectivity, allowing them to send data over the Internet. Although webcams have the same Internet connectivity, IP cameras are exclusively for surveillance. Some of these cameras come with motion detection. Others send and receive audio. These cameras work individually or as part of a home surveillance or automation system.

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Full Answer

Connect the camera to the Internet via Ethernet or Wi-Fi to configure security settings. This assigns an individual IP address to the surveillance camera. Use a wireless router to simultaneously connect multiple cameras and other surveillance devices, such as motion detectors and automation hubs.

Data captured by the IP camera is either recorded on an SD card or sent to a network-attached server. Remote access to audio and video feeds requires Dynamic DNS, or DDNS, a service that maintains a connection between the server and the home network router. The DDNS is configured to access the home network with the camera's IP address or by registering a sub-domain that can be viewed on a Web browser. Configure an app provided by the camera manufacturer with the same DDNS settings to access the IP camera feed from a smartphone or tablet.

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