This monitor is a driver-free touch screen and can only be displayed after the driver is installed. The 3.5-inch screen is powered by the GPIO interface without a separate power supply, which is convenient and Supports Raspbian/-linux systems when used in 4B Supports Raspbian//-linux systems when used for 3B+/3B Made of high-quality materials, it is durable. Type: TFT Refresh rate: 5 frames Backlight: LED Size: 3.5 inches Resolution: 480*320 Power consumption: 0.13A5V Touch screen type: resistive touch screen () Interface type: SPI color: blue Material :PC+glass Package contents: 1 x Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.