NEC Portable Handheld Terminal with External Printer and Soft Case - Junk

Operation unconfirmed.
As this is an old item, it may not work. It is being listed as a junk item.

Manufacturing Date
October 1982
Rating
DC 48V Ni-Cd 1.2×4
Part Number
N6919-31S01

This was found while cleaning out my house.
The outer box is damaged, but the main unit, the handheld device, shows no signs of use.
I do not know the details of how to use it.

This has been stored at home for a long time.
We are looking for buyers who understand that this is a junk item.