Function:4K HDR HDMI-compatible dummy plug Can enable the PC to enable the GPU to create a virtual display to perform tasks,Simulate high resolution for remote control,Up to 4K 60HZ, compatible with 1080P-60HZ/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 & 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 Windows, for Mac 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. HDMI-compatible for dummy plug is a display emulator, after connecting for Headless Ghost, your operating system will 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/white screen/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 light