Features: Brightness Adjustment: Easily adjust the screen brightness to your preferred level. Compatible System: Works with Windows and the lcd4linux software package (supports 32-bit and 64-bit), and is compatible with Linux. (Usable in Windows/Linux systems). Dual USB Ports: Features two USB interfaces – a MicroUSB port on the side and a 4Pin 2.54 pin USB interface on the back. Easy Installation: Configuration software supports horizontal screen, vertical screen, horizontal screen images, and vertical screen images for convenient setup. Functions: This 3.5-inch multi-theme screen is easy to use without needing extra power or multimedia interfaces. Just a USB cable is required. It supports horizontal and vertical screen switching, 360-degree rotation, and is compatible with multiple systems. Brand new and high quality Specifications: Material: Aluminum Alloy Interface Type: USB Panel Type: IPS Application: Desktop Screen Type: LCD Mounting Type: Standard Mount Color: Black Type: Screen+Bracket+USB Cable/Screen+Bracket+Special Base+USB Cable/Screen+Bracket+Special Base+USB Connector+USB Cable Screen Size: 3.5 inches Resolution: 320x480 Thickness: 7-8mm Perspective: IPS full perspective Interface: Dual USB (microUSB, 4Pin 2.54 pin USB) Size: Approx. 55x85mm/2.17x3.35in Package Weight: 150g Note: 1.Please allow 1-2cm error due to manual measurement, make sure you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 Set Secondary Screen