... /4 port2)Materials: copper alloy, aluminum alloy, stainless steel, and iron substrate3)Base spray –plastic4)Modules: 3 power socket,2 power socket ... requestInternational modes availableUsage:TB-003 series senior desktop socket products supply the solution connect of the fashion ... the simple connection way, when you connect the interface of the video, voice, network, telephone, power, you just press ...