Features: 1. Easy Installation: No Need To Install The Driver, The Appearance Is Smaller, The Speed Is Fast, And The Flashing Machine Is Faster. The Configuration Software Can Support Horizontal Screen, Vertical Screen, Horizontal Screen And Vertical 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.3. Stepless Adjustment: Stepless Adjustment Of Screen Brightness, Screen Brightness Can Be Adjusted As Needed.4. Compatible System: Compatible With System/Lcd4linux Package (Supports 32-Bit And 64-Bit) Compatible With Linux. (Suitable For Linux Such As System/ Nas/Openwrt Router/).5. 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 .Ida64 Chassis Display 3.5 Inch Ips Lcd Screen Usb Computer Secondary Screen Linux Full System CompatibleSpecification:Accessory Type: Secondary ScreenScreen Size: 3.5 InchesResolution: 320*480Thickness: 7-8mmViewing Angle: Ips Full Interface: Dual Usb (-Usb, 4pin 2.54 Pin Header Usb)Type: Bsize: 8.5 x 5.5 x 0.7cmMaterial: Metalcolour: blackPackage Contents:1 x Screen + Type-C Data Cable + Bracket + Elbow Data Cable Type-COnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.