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, Jetson Nano. SPI interface, for connecting with controller boards like Arduino/STM32, etc.. Onboard voltage translator, compatible with 3.3V / 5V MCUs. Comes with online development resources and manual (driver board circuit diagram, examples for Raspberry Pi/Jetson Nano/Arduino/STM32)