Using gold-plated core to ensure transmission of signals.3 network cable can be connectted into the splitter.PCB board is embedded to conducting circuit, to avoid damage to the conductor.It Can shield the interference from external electromagnetic signal, to prevent the damagement of the signal.Connector on First End: 1x RJ-45 Male NetworkConnector on Second End: 3x RJ-45 Female NetworkColour: blackMaterial: ABSsize: 330x31x24mmPackage Contents: 1 x RJ45 1-to-3 SplitterNote: Please kindly note it can not achieve 2 or above computers online at the same time.Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.