... , protocol gateway, detector/sensor, user interface, etc. Product Features:1/2/3 push-button models.Programmable RGB LED.Storable Scene function.Switching sequence ... colors (white, silver, yellow, blue, pink, black)GVS strictly complies with the quality requirement of ISO9001:2000system and RoHS compliance system ... of our K-BUS series products. KNX - Push Switch Panel - 1/2/3 push-button Language