Continuous Controller and Object Controller with button interface, 4-gang/ KNX object controller with button interface, 4-gang HOME GIRA BUILDING TECHNOLOGY SWITCH RANGES DOOR COMMUNICATION GIRA CATALOUGE HOME GIRA BUILDING TECHNOLOGY SWITCH RANGES DOOR COMMUNICATION GIRA CATALOUGE KNX system eNet system Door communication system Gira call systems and emergency sets Standard 55 E2 E22 Event S-Color Flush-mounted CLASSIX Surface-mounted Stainless Steel E3 F100 Esprit TX_44 Water-protected, surface-mounted DOOR COMMUNICATION Switch ranges Technology and functions KNX object controller with button interface, 4-gang KNX object controller with button interface, 4-gangSystem 55 KNX object controller with button interface, 4-gangGira E22 KNX object controller with button interface, 4-gangGira F100