This RJ45 Ethernet network coupler allows you to easily add rj45 ethernet to any standard wall plate, mount box or patch panel. The snap-in RJ45 Ethernet network connector jack is simple to install and provides you with a robust female to female in-line rj45 cat6 connector coupler. CAT6 inline Coupler for voice, home networking, home office, audio, video and more Double female cat6 can be used with Cat.6, Cat5, CAT5e Ethernet cables. Quick snaps in installation and easily fits standard wall plate, patch panel or box; Compatible with nearly all style wall plates. Gold plated contacts and easy snap-in retaining clip a secure and free connection; This 8P8C female to female Ethernet coupler jack is backwards compatible with Cat5e network Colour:White Material:Plastic and copper needle Package Contents: 20 x ethernet coupler Only the above package content, other products are not included. Note: Light 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.