SLIMLINE DOOR STATION FITS ON THE DOOR TRIM. This door answering system includes everything you need to set up an intercom for your front door. When a visitor pushes the button to announce their arrival, simply answer your door by phone from anywhere in your home. The system includes two main components: the Door Station (speaker box) and the Main Controller (the “brain” of the system). This kit includes a SlimLine Door Station featuring a narrow design that fits on your door trim like a regular doorbell switch. FEATURES: Answer your front door by phone from anywhere in your home ~ Narrow door station fits on your door trim like a regular doorbell switch ~ Controller can operate two separate entry-ways ~ Built in call-waiting ~ FINISH: Aluminum.