作動 さどう電圧 でんあつ表示 ひょうじ じゃないです
sadōden'atsuhyōjikijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 作動電圧表示器

1. It's not an operating voltage indicator.

Negative
Polite
Casual Register
Computing