The Dell 4VR0Y is a 180W AC adapter for powering compatible Dell equipment. Its 19.5V output helps identify the electrical requirements to match when choosing an adapter. It is an external power supply, not a data connection or general-purpose device.
The output connector is described as 3-pin, 7.4mm, useful for checking whether the equipment has the same connection format. The listing specifies a C6 power cord for this version.
Use it as a replacement or an additional power source when compatible equipment’s input requirements match the adapter’s stated characteristics. The part reference 4VR0Y, electrical rating and connector description identify this particular Dell adapter.