No additional power supply required and no HDMI-Compatible required. Just a USB cable. 5-inch multi-theme display Support horizontal and vertical screen switching, 360 degree rotation Energy saving and environmental protection, automatic shutdown screen Comfortable eye protection, stepless adjustment of screen brightness; One-click operation, change the background image, switch themes Auto start at boot Set weather forecast city Compared 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: 110x66mm Resolution: 800x480 Thickness: 10mm Viewing angle: IPS full viewing angle Interface: 1x USB-TYPE C. 1xPH port,1X TF Maximum power consumption: 1.6W Internal storage: 10MB 1. 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:Black Material:Aluminum Alloy Package Contents: 1 * Secondary Screen 1 * USB cable 1 * motherboard 9Pin cable 1 * metal bracket 1 * desktop bracket 1 * Splitter 1 * Mainboard 9-pin USB multiplier