Features: 1.This E-Ink display module, 1.54inch, 200x200 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display. 2.No backlight, keeps displaying last content for a long time even when power down. 3.Ultra low power consumption, basically power is only required for refreshing. 4.SPI interface, for connecting with controller boards like Raspberry Pi/Nucleo, etc. 5.Comes with development resources and manual (examples for Raspberry Pi/STM32). specification:Description: This E-Ink display module, 1.54inch, 200x200 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display. 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. 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. SPI interface, for connecting with controller boards like Raspberry Pi/Nucleo, etc. Comes with development resources and manual (examples for Raspberry Pi/STM32). s: Operating voltage: 3.3V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 48mm x 33mm / 1.9" x 1.3" Display size: 27.6mm x 27.6mm / 1.1" x 1.1" Dot pitch: 0.138 x 0.138 Resolution: 200 x 200 Display color: red, black, white Grey level: 2 Refresh power: 26.4mW(typ.) Standby power: < 0.017mW Viewing angle: > 170 Package weight: 30g Interfaces: VCC: 3.3V 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 Package List: 1 x 1.54inch e-Paper Module (B) 1 x XH2.54 8Pin Cable (20cm / 7.9in) Note: If you want more tutorials and instructions about this product, please contact us, we will send related information to you. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.