Key Specifications
• A convenient box set complete with tenant station, a 1-call entrance station, and a power supply (up to 3 more tenant stations can be added for a full 1 x 4" ystem)• 2-wire system is quick and easy to install• Door release powered by door station without the need of an additional transformer• Backlit directory on door station• Option button – control an external device• Call tone volume control with mute indicator