1.Note: This product cannot split the network and is generally used to switch networks. So you can't think of it as a router that splits network signals. 2. The RJ45 Ethernet splitter can add 2 network ports to facilitate the rotation of different computers. Only one output port works. 3. Built-in thickened PCB board, durable, to ensure the safety of signal transmission, the use of gold-plated core to ensure signal transmission. 4. RJ45 extension adapter: The male/female adapter extends through 2 network cables to help you connect more computers. (Only one of the network cables can be connected to the device at a time, and two network cables cannot be used to connect the device at the same time) 5. This product can be used to convert the network signals of 2 connected devices to each other, which can effectively avoid the loss caused by repeated insertion and removal of network cables. When you switch, simply click Disconnect on your device to connect one of the other two devices to the network. Length: about 24 cm Color: Black Number of pieces delivered: 2 pieces Reminder: Due to the inevitable inaccuracy of manual measurement, please forgive me!becomeveryrich