The product comes in a hard case, which offers adequate protection.
The external design is plain, and the plastic casing doesn't look nice, but this is a tool, so good looks are not necessary.
The in and out ports. You will utilize the latter if you install the PSU tester between the PSU and the load.
I would prefer a Type-C USB port instead of the mini-USB port. At least mini-USB connectors are more tolerant than micro-USB ones.
All the necessary cables are provided, and short enough to restrict energy losses. The individual sleeving is a nice touch.
The "Getting Started" card.