This Sony BRC - H700 HDTV communications camera is a great choice for various communication needs. Note that it doesn't come with a power supply. However, it includes a remote control, which allows you to operate the camera conveniently.

Using the Sony BRC - H700 camera is quite straightforward. First, you need to connect an appropriate power supply (not included) to the camera. Then, use the included remote control to turn on the camera and adjust settings like focus, zoom, etc. When using, make sure the camera is placed on a stable surface. As for maintenance, keep the camera lens clean with a soft, dry cloth. Avoid exposing the camera to extreme temperatures or humidity. If there are any issues, refer to the user manual or contact Sony's customer service.