停電 ていでん電源 でんげん装置 そうちでしょう
muteidendengensōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 無停電電源装置

1. Uninterruptible power supply, likely.; Probably a UPS.

Polite
Presumptive
Conjecture