1-port Faceplate ( 20PCS ) in one * Used in industrial, commercial, and residential buildings. * Suitable for installing components for voice and data connection applications. * Special forward extraction design, convenient for maintenance. * With computer and telephone icon, easy for mark. * Shutter structure, preventing dust into the jackets, convenient for plug inserting and pulling out. * Modular design with hidden screw holes. * Compliant with RoHS 2.0 and UL94V-0