The Waveshare 3" e-Paper (G) Raw Display, 400 × 168, SPI Interface offers a paper-like viewing experience with its electrophoretic technology, providing a wide viewing angle of over 170 degrees. This display is ideal for applications such as price tags, shelf labels, and industrial instruments, requiring ambient light to function effectively. It features a passively reflective display with no backlight, maintaining the last displayed content even when powered down, and consumes minimal power, primarily during refresh cycles. The display supports multiple colors including red, yellow, black, and white.