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 192.168.0.99, 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 admin and blank. 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.