Three network cables can be connected into a cable through this splitter.Using 8- pin gold- plated core to ensure transmission of signals.Can shield external interference, damage to internet.Allows a laptop to access Ethernet in different rooms, without having to pull the cable from one room to the other room. Please note that you cannot use two computers at the same time using this splitter.Delivery Quantity: 1pc,Package Contents: Only the above package contents, excluding other products.Size: RJ45 extension cable one point three(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Colour: Black(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)