Features:  - No additional power supply is required, and no HDMI is required. Just need a USB data cable.  - 3.5' display with multiple themes.  - 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 background image, switch theme.  - Automatic-start at boot.  - Set weather forecast city.  - Compared with AIDA64 and other monitoring software, it takes up almost no resources when running.  - Visual theme editor, drag your mouse to realize your creativity.     Parameters:  - Display area: 49 x 74mm/1.9 x 2.9'.  - Overall size: 55 x 85mm/2.2 x 3.3'.  - Resolution: 320x480.  - Thickness: 7~8mm (0.3').  - Viewing angle: IPS full viewing angle.  - Interface: USB-TYPE C.  - Shell material: metal.     Package Included:  - 1 x Set of Screen Display