High-performance MCU with RISC-V 32-bit dual-core and single-core processors Built-in 128KB ROM, 16KB LP ROM, 768KB L2MEM, 32KB LP , and 8KB TCM Powerful image and voice processing capabilities, image and voice processing interfaces include JPEG codec, pixel processing accelerator (), image signal processor (ISP) and H264 video encoder 32MB PSRAM inside the chip package, 32MB Nor Flash outside the package Common peripheral interfaces such as MIPI-, MIPI-, USB 2.0 OTG, Ethernet, SDIO 3.0 Micro-SD card slot, dual microphones supporting cancellation, speaker terminals, and RTC battery terminals are brought out on the board (different products have different lead-out parts, refer to the resource introduction) Name:4-inch IPS touch screen resolution:720 x 720 Communication interface:Supports RGB565, RGB666, RGB888 display panel:IPS Touch type:capacitance touch chip:GT911 brightness:400cd/m Contrast:1200:1 Viewing angle:170 (The product appearance and printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * ESP32 P4-86 Development Board 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.