Features: brand new and high quality 802.11B/G/WIF1+BT module. Low-power dual-core 32-bit CPU can be used as application processor. The main frequency is up to 240MHZ, and the computing power is up to 600 DMIPS. Built-in 520 KB SRAM. Support UART/SPI/I2C/PWM/DAC/ADC and other interfaces. Support OPENOCD debugging interface. Support multiple sleep modes, and the current is as low as 6.5UA in deep sleep. Embedded LWIP and FREERTOS. Support STA/AP/STA+AP mode. SMART CONFIG/AIRKISS one-key distribution network is supported. General AT command, easy to use. Support local serial port upgrade and remote upgrade (FOTA). Specifications: Material: PCB Size: approx. 51.8x28.5mm Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference 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