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 Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi 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