1. it can be used to test graphics cards and related applications, the screen resolution of the computer's remote desktop, and avoid black screens.2. The latest technology requires extremely low power, and the heat dissipated is negligible.Name: -compatible VirtualizerResolution: 3840 x 2160@60HzApplicable card slot: -compatible interfaceWorking temperature: 10-40Storage temperature:-10-80CSystem support: No need to drive, plug and playColour:A: blackMaterial:plastic+metalPackage Contents:1 x -compatible VirtualizerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.