ビデオ同期 どうき装置 そうちでしょう
bideodōkisōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ビデオ同期装置

1. Probably a video synchronizer.; Possibly a video synchronizer.

Polite
Presumptive
Conjecture
Computing