Miuzei 4 inch touch screen with HDMI toMicro HDMI converter, compatible with the latest rapiberry pi 4, refresh rate up to 60fps. The 4-inch IPS screen has a better viewing angle (about 178 °) than the TFT screen. Provide a convenient man-machine interface for the Raspberry Pi, you can use the mobile power to take it anywhere. Can be used as a universal HDMI display, such as computer HDMI, TV box, PSP games. parameter: Size: 4 inches LCD type: IPS Physical resolution: 800 × 480 (pixels) Viewing angle: about 178 ° Touch: resistive touch Power consumption: 0.16A * 5V Size: 98 * 58 (mm) If you have difficulty installing the driver, or use the display / touch function correctly after installing the driver, you only need to download the image provided by us and write it to the Micro SD card. No driver installation steps are required. Using Raspberry Pi 4 tutorial: Step 1: Download the system image file Step 2: Use “SDFormatter.exe” to format your TF card Step 3: Use “Win32DiskImager.exe” to burn the image to the TF card The package contains: 1 4-inch IPS touch screen for Raspberry Pi 1 touch pen 1 HDMI to Micro HDMI converter 1 fan 1 acrylic shell 1 screwdriver 4 radiators No version of Pi 4. no power supply. No RAM. just The touchscreen kit