Handsetless audio in-house station in 2-wire technology for single-family houses. Features a free intercom, in addition to two physical call buttons (accept or end call). It includes three sensor buttons for opening the door, switching on the staircase light (activator required), and switching the door station on or off. There are four freely configurable additional buttons (e.g., internal speech, additional door opener, etc.) and 16 melodic ring tones that can be set for door and floor calls with call differentiation. The volume of the ringing tone is adjusted using the side control. It also has a doctor switch/door call function and an LED display for ringing tone switch-off, door opener, and connection status. Surface mounting is done using the supplied wall bracket. A desk accessory is available separately. Connection for BUS, storey call, and additional bell is included. The door station already has one and two call buttons, allowing for the quick and easy creation of a two-family house system by adding another house station. Package contents include the surface-mounted door station with one to two call buttons and LED illuminated nameplates. The door station can be flush-mounted using a flush-mounted box and accessories. Protection class is IP 54, with impact resistance IK 10. One power supply unit and one door opener relay with potential free contact are included.