Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, main frequency up to 240MHz, supports 2.4 GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), onboard antenna Onboard 512KB , 384KB ROM, 8MB PSRAM and 16MB Flash Onboard 1.47-inch LCD screen, 172x320 resolution, 262K color, leads to most GPIO, integrated full-speed USB serial port Onboard Micro-SD card holder, can be connected to an external SD card to store pictures or files, supports flexible clock, multiple power modes and other accurate control, and realizes multi-scenario low-power mode Onboard RGB color lamp beads, with transparent acrylic interlayer to achieve cool lighting effects Screen size: 1.47-inch LCD screen Resolution: 172x320 resolution Processor: Xtensa 32-bit LX7 dual-core processor Interface: USB Type-A Main control chip: ESP32-S3 Screen type: TFT Screen control chip: Display: ST7789 Onboard device: Micro-SD Due to different batches, the printed words on the product be different, which does not affect use Colour:Black Material:PCB Package Contents: 1 x Development Board 1 x Straight Pin 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.