Waveshare 2.36 inch 296 x 168 Red Yellow Black White E-Paper (G) Raw Display Panel, 22752

1. No backlight, keeps displaying last content for a long time even when power down
2. Ultra low power consumption, basically power is only required for refreshing
3. Come with development resources and manual(driver board schematic, examples for Raspberry Pi/Arduino/STM32)

Specifications:
1. Operating voltage: 3.3V
2. Interface: 3-wire SPI, 4-wire SPI
3. Outline dimension: 68.1 x 37.9 x 0.85mm
4. Display size: 52.096 x 29.568mm
5. Dot pitch: 0.176 x 0.176mm
6. Resolution: 296 x 168 pixels
7. Display color: Red/Yellow/Black/White
8. Grey level: 2
9. Full refresh time: 12s
10. Refresh power: Less than 57mW (typ.)
11. Standby power: Less than 0.01uA (almost none)
12. Viewing angle: Greater than 170 degree