Features No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing Standard RPi 40PIN GPIO extension header, supports RPi series boards ESP32 control header, allows directly plugging control boards like e-Paper ESP32 Driver Board / ESP32-DevKitC SPI control interface, for working with STM32 or other MCU host boards Onboard voltage translator, compatible with 3.3V/5V MCUs Acrylic protective case, keeping the screen safe, nice looking Comes with development resources and manual (examples for RPi/Arduino/STM32/ESP32)