Indoor station with 7 displays for Busch-Welcome IP door communication. Full-duplex communication. Features a new installation wizard, especially for the EFH application, and includes a built-in app interface. Hands-free function with adjustable volume. Integrated hearing loop for the hearing impaired. Suitable for surface or flush mounting (box not included). For flush mounting with 42491F and for surface mounting with 42491S-x. A picture of the visitor can be taken during the call and stored in the picture memory. Three images of the visitor are automatically stored in the image memory when door calls are made in the absence of the visitor. Power supply via PoE standard according to 802.3af (class 3). Adapter and connection cable for CAT cable are included in the scope of delivery. Note: Panel for pure door communication, no connection to building technology (KNX or Busch-free@home®) possible.