1.Adopts ESP32-S3R2 chip with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Built in 512KB SRAM, 384KB ROM, 2MB of on-chip PSRAM, and onboard 16MB Flash memory. 2.Onboard 1.14inch 240×135 pixels 65K color IPS LCD display. Integrated 2.4GHz WiFi and Bluetooth LE wireless communication. 3.WiFi supports Infrastructure BSS in Station, SoftAP, and Station + SoftAP modes. WiFi supports 1T1R mode with data rate up to 150 Mbps. Bluetooth supports high power mode (20dBm). Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna. 4.Onboard 3PIN UART port, 3PIN GPIO header and 4PIN I2C port. Equipped with plastic case and cables. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.