Fangrui Product Details Enhanced Graphics Performance: Create A Virtual Display With The Hdtv Dummy Plug To Boost Graphics Card Performance. This Plug Is Ideal For Emulating Resolutions Up To 4k (3840x2160) @ 60hz. For Headless Setups: This Hdtv Dummy Plug Enables Headless Computer Operation Without A Physical Monitor. Its For Server Farms, Home Servers, To Simplify Management And Increase Efficiency. Easy To Use: The Hdtv Dummy Plug Provides A True Plug-and-play Experience, With No Additional Drivers Or Software Required. Compact And Sturdy Design: With A Durable Aluminum Alloy Housing And Concealed Led Indicators, This Compact Hdtv Dummy Plug Is Durable And Easy To Transport. Wide Compatibility: Compatible With Any Discrete Graphics Card And Hdtv-equipped Desktop Or Laptop. Specific Uses For Product:computer, Laptop Connector Type:hdtv Colour:black Material:plastic+gold Plating Size:2.2x2x0.8cm Package Contents: 1x Virtual Display Rotation Only The Above Package Content, Other Products Are Not Included. Note: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.