- Made for the analogue extension connection of your telephone system
- Intelligent door opening detection
- Sensor field instead of mechanical buttons
- Lock with number code
- Ultra flat and discreet
A flat, continuous glass front with sensor buttons, well protected and invisible speaker and microphone, all-round LEDs for indirect ambient lighting – the TFS Dialogue 400 door intercom system shines with a particularly elegant appearance and unusually large range of functions.
