1ch - Dimension:71.5mm*90mm*60mm 2ch - Dimension:143mm*90mm*60mm 4ch - Dimension:214.5mm*90mm*60mm OEM Service In 2008, GVS started developing the KNX/EIB lighting control products from scratch in the wake of becoming KNX member strategically, which offered a new era for the company to step into the intelligent building control system industry. As a result, GVS rapidly delivered a vast range of ...