The 2.7 Inch e-paper display module has no backlight, keeps displaying last content for a long time even when power down This e-ink display monitor has standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano Waveshare 2.7'' epaper screen comes with SPI interface, for connecting with other controller boards like Raspberry/Ardui/Nucleo, etc. The e ink monitor with onboard voltage translator, compatible with 3.3V/5V MCUs Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Ardui/STM32), feel free to contact us if you have any thing need our help.