The display screen is a driver-free touch screen, and it can only be displayed after installing the driver The 3.5-inch screen is powered by the GPIO interface of the without a separate power supply, which is convenient and fast Support Raspbian/Kali-linux system when used in 4B Support Raspbian//Kali-linux system when used for 3B+/3B Made of high quality material, it is durable. Type: TFT Refresh rate: 5 frames Backlight: LED Size: 3.5 inches Resolution: 480 x 320 Power Consumption: 0.13A5V Touch Screen Type: Resistive Touch () Interface type: SPI color:Blue Material:PC+ABS Package Contents: 1 x Display Screen 1 x Fan Bracket kit 1 x Shell Kit 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.