1/2/3 push-button models. Programmable RGB LED. ... switching, shutter controlling, multi-protocol gateway, intelligent sensing, user interface etc. As a senior member of KNX, our ... power supply, protocol gateway, detector/sensor, user interface, etc. Product Features:1/2/3 push-button models.Programmable RGB LED.Storable ... -BUS series products. KNX - Push Switch Panel - 1/2/3 push-button Language