Feature:1. Orientation Switching: This 3.5-inch multi-theme display screen supports horizontal and vertical screen switching and 360-degree screen rotation. 2. Energy Saving: This display screen can automatically turn off the power, which is energy-saving and environmentally friendly. 3. Adjustable Screen Brightness: The screen brightness can be adjusted steplessly, which is convenient and protects the eyes. 4. Simple Connection and Use: Only need a USB data cable to connect, no need for extra power and HD multimedia interface, one-button operation to change background image and themes. 5. Broad Compatibility: The screen is fully compatible for Win systems, for lcd4linux software package, which supports 32bit 64bit, is compatible for Linux, available for Win systems, for NAS, for openwrt routers, for RPi and for Linux other systems. Specification:Item Type: 3.5 inch IPS USB Screen Shell Material: Plastic Screen Size: 3.5 inch Resolution: 320x480 Thickness: 0.3 inch Viewing Angle: IPS full viewing angle Interface: USB. Package List:1 x 3.5 inch IPS USB Screen 1 x USB Cable Note:Store properly, do not knock and cause irreversible damage. Please note that the rear structure of the product varies from batch to batch.