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、Support for Raspberry Pi 2B/3B/Zero/Zero W 4、Preserved solder pads for SPI interface, for connecting with other controller boards like for Arduino/Nucleo, etc. 5、Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) Description: This is an E-Ink display module, 2.13inch, 250x122 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. 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 Support for Raspberry Pi 2B/3B/Zero/Zero W Preserved solder pads for SPI interface, for connecting with other controller boards like for Arduino/Nucleo, etc. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32) Specifications: Operating voltage: 3.3V Interface: SPI Outline dimension: 65 x 30.2mm Display size: 23.71 x 48.55mm Dot pitch: 0.194 x 0.194 Resolution: 250 x 122 Display color: black, white Grey level: 2 Refresh power: 26.5mV(typ.) Standby power: <0.17mV Viewing angle: >170° Package weight: 20g Interface: VCC: 3.3V GND: GND NC: NC 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 Package List: 1 x 2.13inch e-Paper HAT 1 x Copper pillar kit 1 x PH2.0 8PIN Cable Note: If you want more tutorials and instructions about this product, please contact us, we will send related information to you.