No additional power supply required and no HDMI-Compatible required. Just a USB cable.5-inch multi-theme displaySupport horizontal and vertical screen switching, 360 degree rotationEnergy saving and environmental protection, automatic shutdown screenComfortable eye protection, stepless adjustment of screen brightness; One-click operation, change the background image, switch themesAuto start at bootSet weather forecast cityCompared with monitoring software such as AIDA64, it takes almost no resources when running.Visual theme editor, drag the mouse to realize your creativity.Parameter:Display area: 110x66mmResolution: 800x480Thickness: 10mmViewing angle: IPS full viewing angleInterface: 1x USB-TYPE C. 1xPH port,1X TFMaximum power consumption: 1.6WInternal storage: 10MB1. How to use:Connect the mini secondary screen to your computer and launch our custom software. No need for AIDA 64, no other cumbersome settings.2. Why does the graphics card data not move?Generally speaking, for notebook users, usually the discrete graphics card is in standby mode and only the core display is used to save energy. The independent graphics card is more important for secondary screen monitoring, so of course the graphics card monitoring data does not change.3. Can other content be displayed?No, only the content of custom software settings can be displayed.Note:Except for the sub-screen, all other accessories are of random colors, and the designation is not accepted.Color:BlackMaterial:Aluminum AlloyPackage Contents:1 * Secondary Screen1 * USB cable1 * motherboard 9Pin cable1 * metal bracket1 * desktop bracket1 * Splitter1 * Mainboard 9-pin USB multiplierOnly 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.