Boxed. The EH-5a is an optional AC Adapter for select Nikon DSLR cameras that can be used to power the camera from a wall outlet.
For D3100/D3200/D5000/D5100: Requires EP-5A Power Connector (available separately)
The EH-5A is an AC Adapter that can power select Nikon cameras from an AC power source, useful when shooting long sessions.
Can be used world-wide with optional plug adapters.