480 x 320 display resolution For 3.5-inch screen, installation of fan, display fan interface.Compatible with 4B/3B+/3B Efficient heat dissipation: This screen is mounted with a brushless quiet fan and powerful heat dissipation, you don't need to worry about the overheating problems and the noise. More Features: Refreshes up to 60 frames per second; The backlight can be turned on/off. Plug & Play: Don't need to reboot the Pi when connected and it doesn't require any external power supply. Portable Touchscreen, and the included stylus specifications Size: 3.5 inch Type: TFT Interface: SPI Resolution: 480 * 320 Refresh rate: 50-60 frames Backlight:LED Power consumption: 5 v 0.16 A Colour: black Material: plastic Size: 85 x 55MM Package Contents: 1 x Display 1 x Touchpen Only the above package content, other products are not included. Note: Light 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.