The ESP-WROOM-32 is a powerful and versatile Wi-Fi+BT+MCU module suitable for low-power sensors and demanding tasks like speech recognition, audio streaming, and MP3 decoding. 520 KB SRAM for data and instruction storage. 8 KB of SRAM in RTC SLOW memory is available for the co-processor in Deep-sleep mode. 8 KB of SRAM in RTC FAST memory can be used for data storage and accessed by the main processor when it wakes up from deep sleep mode. The ESP-WROOM-32 integrates 4 MB of SPI Flash. Type: ESP32 Module Color: Black Material: Plastic Package Contents: 1 ESP32 Module 1 1.3-inch Color Screen 1 Cable Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.