Features: 1. Easy Installation: No Need To Install the Driver, the Appearance Is Smaller, the Boot Speed Is Fast, and the Flashing Machine Is Faster. the Configuration Software Can Support Horizontal Screen, Vertical Screen, Horizontal Screen Image and Vertical Image Display, and It Is Easy To Install Without Drive. 2. Dual Usb Ports: There Are 2 Usb Ports. There Is a 4pin 1.25-Pin Usb Port on the Back Of the Product. Stepless Adjustment: Stepless Adjustment Of Screen Brightness, Screen Brightness Can Be Adjusted As Needed. 3. Compatible System: Compatible with System/Lcd4linux Package (Supports 32-Bit and 64-Bit) Compatible with Linux. (Suitable for Linux Systems Such As System/ Nas/Openwrt Router/). 4. Easy To Use: This 3.5-Inch Multi-Theme Monitor Is Easy To Use, No Additional Power Supply, No Multimedia Interface Required. All You Need Is a Usb Cable To Use. Support Horizontal and Vertical Screen Switching, 360-Degree Rotation, Compatible with Multiple Systems. 5. Ida64 Chassis Display 3.5 Inch Ips Lcd Screen Usb Computer Secondary Screen Linux Full System Compatible Specification: Accessory Type: Secondary Screen Screen Size: 3.5 Inches Resolution: 320*480 Thickness: 7-8mm Viewing Angle: Ips Full View Interface: Dual Usb (-Usb, 4pin 2.54 Pin Header Usb) size: 8.5 x 5.5 x 0.7cm Material: Metal colour: black Package Contents: 1 x Screen 1 x Type-C Data Cable 1 x Bracket 1 x 4pin Motherboard Adapter Cable Only 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.