Feature: Using gold-plated core to ensure transmission of signals. Three network cables can be connected into a longer cable through this splitter. 78MM PCB board was embedded conduction circuit to avoid damage to the conductor. Can shield the external electromagnetic signal interference to prevent damage to the internet signal. Allows a laptop to access Ethernet in different rooms, without having to pull the cable from other room to the room to connect to this computer. Note: Please note that the three Network cable connector can not use at the same time. Specification: Type: RJ45 1 to 3 Socket Extend Adapter Material: ABS Model: RJ45 Connector on First End: 1 x RJ-45 Male Network Connector on Second End: 3 x RJ-45 Female Network Size: 6.5cm*2cm Qty: 2Pcs Package included: 2Pcs RJ45 1 to 3 Socket Extend Adapter Note: Please allow 0.5-1cm differences due to manual measurement. Due to the light and screen difference, the item's color may be slightly different from the pictures.