16MBytes FLASH,8MBytes PSRAM(*only 4MB can be used directly by software: Arduino, MicroPython), the red LED will fast flashing when the battery is not connected. Features WIFI bluetooth 16MB/4MB Flash 8MB (*only 4MB can be used directly by software: Arduino, MicroPython)/4MB PSRAM Lithium battery interface, 500mA Max charging current LOLIN I2C port LOLIN TFT port TF (Micro SD) Card slot, support SPI mode. Compatible with Arduino, MicroPython Default firmware: lastest MicroPython Color: Black Material: PCB Package Contents: 1*D32 Pro Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.