Aiphone 12 Intercom Stations All Master Unit with 12V 10A Power Supply (12 Units TD-12H/B + Z1210) Sodium Lamp Ballast The clamp hook type helps

The clamp hook type helps you attach the reflector fast

The Royu Telephone Outlet 2 Gang comes ready for quick setup

You get a plate included

The clear vapor lamp glass cover provides both function and style for every setup

Upgrade your lighting with the Firefly 3

Aiphone 12 Intercom Stations All Master Unit with 12V 10A Power Supply (12 Units TD-12H/B + Z1210) Sodium Lamp Ballast The clamp hook type helpsThe Aiphone 12 station intercom system helps keep communications simple in busy environments. This complete set includes 12 master units (TD 12H B) and a 12V 10A power supply (Z1210). Each master unit lets users call or talk easily from any station without confusion. The Aiphone 12 station intercom system works well in offices, factories, or schools. It allows quick announcements between rooms. Each box is built sturdy. They are made for daily use.