... certification MIC,audio,speaker,VGA and network conference room wall socket product details: Size:Color : black,silver ... 86mm*258mm Application: fit for office,conference room,fix on tabletop Interface: power 100V-240 VAC ... ,meet different demands,big conference,office,upscale hotel room,etc 2. Various modular connection combination ,meet ... MIC,audio,speaker,VGA and network conference room wall socket