The D-Link DCS-2120 is a wireless internet camera that allows users to remotely monitor their home or office. It features a built-in microphone and speaker for two-way communication, as well as an infrared mode for low-light environments. The camera can be accessed through a web browser or mobile app, and can be set up to send email notifications when motion is detected. It also includes a built-in web server for remote viewing and management.

The DCS-2120 is a router manufactured by the company D-Link that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address , which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their and . Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.