- Developed for Raspberry Pi 4 B/ 3B/ 3B+. - The original resolution is 480 * 320, the screen can only be displayed with a resolution of 480 * 320 to 1920 * 1080. ( 3: 2 ratio is better). - Supports HDMI audio input, stereo 3.5 mm audio output. - Main I/O power supply, no need a separate power supply. - Plug and play, easy and convenient to use.