Usage Tips:Features: and The ethernet cable extender is used to connect 2 short network cables together. ABS material,flame retardant and more durable, will easily help you solve the problem that the network cable is not long enough. The network coupler is metallic shielded to prevent signal interference. Compatible with all kinds of network cables both home and industrial.Suitable for Cat7, Cat6 etc, compatible with connection of TV, Router, PC, Switch, Hub, Printer,X Box, Modem,and other network cables. Quikly extend the length of a ethernet patch cable without losing signal integrity. Package Includes: 1 X Rj45 Network Cable Adapter Specifications: Size:Approx 7.4X1.15X1.45cm/2.91X0.45X0.57in Material: Metal Type: Cat7 Rj45 Cable Adapter Used for: Network Cable Extender Junction Adapter Feature: Fully Shilded note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.