This is an E-Ink display HAT for Raspberry Pi, 2.7inch, 264x176 resolution, with embedded controller, communicating via SPI interface.
Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.

Features
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
Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
Onboard 4x Keys,SPI interface, for connecting with other controller boards like Raspberry/Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUs
Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32).

Specifications
Operating voltage: 3.3V/5V
Interface: 3-wire SPI, 4-wire SPI
Outline dimension: 85mm x 56mm
Display size: 57.288mm x 38.192mm
Dot pitch: 0.217 x 0.217
Resolution: 264 x 176
Display color: black, white
Grey level: 2
Full refresh time: 6s
Refresh power: 24mW(typ.)
Standby power: Viewing angle: >170

Package Content
2.7inch e-Paper HAT x1
RPi screws pack (2pcs) x2
PH2.0 20cm x1