エレベーターインターコン NKT12 (1-1) B-03 車内組み込み補助機 オリジナル工場 全新

Video Description:
Discover the Elevator Intercom NKT12 (1-1) B-03, a car-built-in auxiliary machine designed for seamless communication in elevators. Ideal for emergency and maintenance scenarios, this brand-new device supports multi-party intercom with clear sound quality. Perfect for brands like Xizi Otis and SJEC.