Auerswald TFE / TFS Dialog 313

Operates on the analog extension port of a telephone system from Auerswald or other manufacturers. 1–4 call buttons (TFS-Dialog 311, ...312, ...313, ...314), which can also be used, for example, as light switches if desired. Programming of phone numbers and basic functions via telephone. Two sensitivity levels for loud and quiet environments. Wear-resistant switching contacts for door openers, doorbells, and lights (doorbell transformer required) Energy-saving, wear-free LED lighting with continuously adjustable color temperature (cool white to warm yellow) Additional switching options via optional a/b switching modules