This is an E-Ink display module, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface.
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
SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.
Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Technical Details

Product Details

Package Dimensions
Width : 4.33 inch
Height : 1.73 inch
Length : 6.3 inch

Shipping Weight: 4.16 ounce (View shipping rates and policies)

ASIN : B074NR1SW2