Description:This E-Ink display HAT, 2.7inch, 264x176 resolution, is specially designed for Raspberry Pi. Comes with embedded controller, communicating via Serial Peripheral Interface interface. Due to the advantages like ultra low power consumption, wide viewing angle, great effect under sunlight, 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.Comes with four buttons for the expansion of applicationsSuitable for Raspberry Pi 2B/3B/Zero/Zero W.Serial Peripheral Interface, to connect with other controller boards like for A-rduino/Nucleo, etc.Comes with development resources and manual (examples for Raspberry/A-rduino/STM32).Specifications:Operating voltage: 3.3VInterface: 3-wire Serial Peripheral Interface, 4-wire Serial Peripheral InterfaceOutline dimension: Approx. 85mm x 56mmDisplay size: Approx. 57.288mm x 38.192mmDot pitch: 0.217 x 0.217Resolution: 264 x 176Display color: black, whiteGrey level: 2Full refresh time: 6sRefresh power: 24mW(typ.)Standby power: <0.017mWViewing angle: >170°Package weight: 42gInterface:VCC: 3.3VGND: GNDDIN:Serial Peripheral Interface MOSI pinCLK: Serial Peripheral Interface SCK pinCS: Serial Peripheral Interface chip selection, low activeDC: Data/Command selection (high for data, low for command)RST: External reset, low activeBUSY: Busy status output, low activePackage List:1 x 2.7inch e-Paper HAT1 x Screws Pack(2sets)Note: 1. If you want more tutorials and instructions about this product, please contact us, we will send related information to you..