Features: 1DUAL MODE PANEL: With high speed HD multimedia interface pass through function such as Audio Return Channel and Ethernet channel 48 bit color depth 32 channel audio etc. 2HIGH VIDEO RESOLUTION SUPPORT: Pass through common video resolutions up to 4K x 2K (UHD) including 3840 x 2160 2560 x 1600 2560 x 1440 1920 x 1200 and 1080p. 3HIGH DEFINITION AUDIO SUPPORT: Audio pass through supports DTSHD Master Audio and for Dolby TrueHD etc 25ft is the recommended maximum HD multimedia interface cable length for 4K HDR. 4WIRING INSIDE THE WALL: Eliminate the wires outside the wall hide them behind the wall install the cables behind the flat screen TV and other equipment flush with the wall clean and tidy. 5EASY TO INSTALL: Easy to install just use screws to install and connect the cable to the front of the board no soldering plug and play. 6WIDELY APPLICABLE: Suitable for HD multimedia interface and all standard VGA video cables very suitable for high definition TV and wall mounting and home theater. Specification: Item Type: PanelMaterial: ABSProduct Size: Approx. 70 x 115mm / 2.8 x 4.5inSpecification: HD Multimedia Interface + VGA Dual PortPurpose: Transmission of Audio and Video Signals Home TheaterGross Weight: Approx. 51g/0.1lb Package List: 1 x Outside the Panel1 x Inside the Panel1 x VGA Port1 x HD Multimedia Interface Port2 x Flat Head Screw2 x Pointed Screw (Large)2 x Pointed Screw (Small) Note: Please allow a little error in manual measurement.