Miscellaneous Electronics
Waveshare 4.26inch E-Paper Display HAT(with PCB Board), 800x480, Black/White, SPI Interface
4.26" E-Paper Display HAT(with PCB Driver Board), Low Power, Wide Viewing Angle, Paper-Like Effect Without Electricity Ideal for price tags, shelf labels, industrial instruments... No backlight, keeps displaying last content for a long time even...
https://www.bizrate.co.uk/miscellaneouselectronics/waveshare-4-26inch-e-paper-display-hat-with-oid28872827262.html