電源 でんげん切断 せつだん状態 じょうたいでしょう
dengensetsudanjōtaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 電源切断状態

1. Probably off.; Probably powered off.; Probably in an off state.

Polite
Presumptive
Conjecture
Computing