•Wi-Fi Module ESP-12E module similar to ESP-12 module but with 6 extra GPIOs.
•USB micro USB port for power, programming and debugging
•Headers 2x 2.54mm 15-pin header with access to GPIOs, SPI, UART, ADC, and power pins
•Misc Reset and Flash buttons
•Power 5V via micro USB port
•Dimensions 49 x 24.5 x 13mm