The Waveshare 12563 e-paper display is a grayscale display module with a resolution of 296x128 pixels. The display has an active area of 66.89x29.05mm and has an ultra-low power consumption of 2.9V. It can display image and text in various grayscale levels on screen, making it ideal for applications such as e-readers, smart home applications, and data monitoring. The display is also easy to use and supports SPI and I2C interface.