audio video wall plate supports pass-thru for High Speed features such as Audio Return Channel (ARC), Ethernet Channel (HEC), 48 bit color depth, 32 channel audio, True HD 7.1 audio and bandwidth up to 18 Gbps; Standard sized 4.5 x 2.7 inch wall plates can be mounted with a single-gang low voltage bracket coupler insert with a female port plate front and an pigtail cable on the back easily connects to an cable run in the wall; Mount near your AV receiver or home theater system with an existing low voltage wall plate location or new outlet wall plate location; A 4-inch pigtail cable on the rear of the insert helps connect the cable video resolution support with pass-thru for common video resolutions up to 4Kx2K (UHD) including 3840x2160, 2560x1600, 2560x1440, 1920x1200, and 1080p; Audio pass-thru support for DTS-HD and TrueHD and more; 25 feet is the recommended maximum length of cables for 4K HDR Two-piece 4K wall outlet with included faceplate and insert makes connecting the cables easier; Simple installation of wall plate 1 port insert with the included mounting screws Cost-effective 2-pack plate provides two home theater wall plates to connect cables behind the wall instead of running them across the floor; Install close to your monitor or projector for a professional-looking installation in the home office, conference room or classroom Style:2-Port Colour:As shown Material:plastic Package Contents: 2 * Wall Plate 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.