Function:4K HDR -compatible dummy plug Can enable the PC to enable the GPU to create a virtual display to perform tasks, high resolution for remote control,Up to 4K 60HZ, compatible with 1080P-60HZ or 120HZ, etc. Advantage: Makes computer run "headless",low cost to replace expensive real display, energy saving,environmental.protection. is server and colocation farms, SOHO and home servers and remote-deployed headless PCs best solutio. Easy to use: Plug and Play-No drivers,no software, no powered,Support hot swap. Low power consumption. Guaranteed stability for cryptocurrency mining, video rendering, and simulation mirroring. Compatibility: Applicable to any discrete graphics card, notebook with HD output,Support PC , for Mini OSX, linux, and other operating systems. ideal for game streaming, VR,and the use of Mini server with screen sharing, etc. what is this 1. -compatible for dummy plug is a display emulator, after connecting for Headless Ghost, your detect a virtual display and enable GPU, and this virtual display has the same function as real display. 2. When the GPU is enabled, various tasks can be performed, including high resolution and refresh rate enabling hardware to accelerate GPGPU operations such as remote desktop and cryptocurrency mining, and the resolution supports 800x600 60HZ- - - 3840x2160 60HZ. How can it help you 1. Solve the problem of black screen or white screen or low resolution when the remote desktop has no monitor. 2. Solve the problem that the graphics card stops working for no reason when mining. 3. Solve the problem that the remote resolution is low and cannot be operated. 4. Can turn off the display to remotely operate the computer. 5. Can be used with a VR headset without connecting a monitor to a PC. Note: The luminous part of the product in the picture is a light effect. The actual product may have color difference due to different light or display.Specifications: B: Black tape without lightColour:Space GrayMaterial:Aluminum alloy and plastic Package Contents:2 x -compatible Dummy Plug Only the above package content, other products are not included.Note: Light reflection 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.