This is a flexible E-Ink display HAT for Raspberry Pi, 2.13inch, 212x104 resolution, with embedded controller, communicating via SPI interface, supports partial refresh 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 Compatible with Raspberry Pi 2B/3B/Zero/Zero W Preserved solder pads for SPI interface, for connecting with other controller boards like Arduino/Nucleo, etc