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 SPI control interface, for working with host boards such as for / Nano/for /Nucleo Onboard voltage translator, compatible with 3.3V/5V MCUs This is an E-Ink display module, 1.02inch, 128x80 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. 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. Specifications Operating voltage: 3.3V / 5V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 42mm x 27mm Display size: 21.76mm x 14mm Dot pitch: 0.175 x 0.17 Resolution: 128 x 80 Display color: black, white Grey scale: 2 Full refresh time: 2s Refresh power: 26.4mW(typ.) Standby power: Less than 0.017mW Viewing angle: 170 Color: As Shown Material: Plastic+Metal Different batches may have different printed characters, but it not affect the use Package Contents: 1 x module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.