Star Trek classic science tricorder

Hello everyone I'm pata(=ω=.)

I was get "STAR TREK CLASSIC SCIENCE TRICORDER" the other day.

This tricorder is unopened and included test battery but about 30 years old.

I don't know why, but it works.

It doesn't sold in Japan.

So it maybe import by U.S.

If you have a any information about it, please comment me! 

I would like to post other Engllish blogs about Star Trek.

Thank you for reading and live long and prosper.