Features: Brand new and high-quality 802.11B/G/WIF1+BT module. Low-power dual-core 32-bit CPU, can be used as an application processor. Main frequency up to 240MHZ, computing power up to 600 DMIPS. Built-in 520 KB SRAM. Supports UART/SPI/I2C/PWM/DAC/ADC and other interfaces. Supports OPENOCD debugging interface. Supports multiple sleep modes, deep sleep current as low as 6.5UA. Embedded LWIP and FREERTOS. Supports STA/AP/STA+AP modes. Supports SMART CONFIG/AIRKISS one-button network configuration. General AT commands, easy to use. Supports local serial port upgrade and remote firmware upgrade (FOTA). Specifications: Material: PCB Size: about 51.8x28.5mm Note: Due to manual measurement, please allow 0-1cm error. Make sure you don't mind before bidding. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x ESP32-NROOM-32 Development Board