1. Powerful MCU Board: incorporate the ESP32s3 32-bit, dual-core, Xtensa processor chip operating up to 240 MHz, mounted multiple development ports, support for /for MicroPython. 2. Great Memory for more Possibilities: Offer 8MB PSRAM and 8MB fLASH, supporting SD card slot for external 32GB FAT memory. 3. Outstanding RF performance: Support 2.4GHz Wi-Fi and BLE dual wireless communication, support 100m+ remote communication when connected with U.FL antenna. Colour:Black Material:PCB The silkscreen batch number on the board may be different due to different batches, but it not affect the use Package Contents: 1 x Development Board 1 x Antenna 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.