The KNX eTR M4 button has touch-sensitive buttons with which functions in the KNX building bus system can be called up, such as switching lights and devices, dimming drives, sending values, scenes. A white LED is integrated into each touch surface, the behavior of which can be set. A temperature sensor is integrated in the KNX eTR M4. The device can receive an external temperature measurement via the bus and process it with its own data to create an overall temperature (mixed value). Communication objects can be linked using AND and OR logic gates. Models: No. 71130 KNX eTR M4 signal white RAL 9003 No. 71132 KNX eTR M4 jet black RAL 9005
