ITEM NAME:Waveshare 2.7Inch E-Paper,264X176,E-Ink Display HAT for Raspberry Pi 2B/3B/ O2P8 Waveshare 2.7Inch E-Paper,264X176,E-Ink Display HAT for Raspberry Pi 2B/3B/ O2P8 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 Compatible with Raspberry Pi 2B/3B/3B+/Zero/Zero W SPI interface, for connecting with other controller boards like Raspberry/for Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUs 2.7inch E-Ink display HAT for Raspberry Pi, SPI interface 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, great effect under sunlight, it is an Perfect choice for applications such as shelf label, industrial instrument, and so on. Onboard 4x Keys Comes with development resources and manual (examples for Raspberry Pi/for Arduino/STM32) Operating voltage: 3.3V/5V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 85mm * 56mm Display size: 57.288mm * 38.192mm Dot pitch: 0.217 * 0.217 Resolution: 264 * 176 Display color: black, white Grey level: 2 Full refresh time: 6s Refresh power: 24mW(typ.) Standby power: less than 0.017mW Viewing angle: more than 170 °? Interface SYMBOL DESCRIPTION VCC 3.3V/5V GND Ground DIN SPI MOSI pin CLK SPI SCK pin CS SPI chip selection, low active DC Data/Command selection (high for data, low for command) RST External reset, low active BUSY Busy status output, low active Color: White + black + blue Material: glass + metal Package Contents: 1 * 2.7inch e-Paper HAT 2 * RPi screws pack 1 * PH2.0 20cm 8Pin cable