No backlight is required, and the last screen display content can be maintained for a long time when the power is offThe power consumption is very low, and basically only consumes power when refreshingThe electronic ink screen can display the picture clearly under ambient light such as light and , without backlight, and the viewing angle is almost 180. Because its display effect is comparable to that of traditional paper, it is often used in applications such as Applicable to shopping mall price tags, asset equipment tags, electronic shelf tags, conference name tags, etcCommunication interface SPIDisplay color: red, black, whiteOperating voltage: 3.3VCommunication interface: 3-wire SPI, 4-wire SPIGrayscale level: 2Global refresh: 15sRefresh power consumption: 26.4mW (typ.)Dot pitch: 0.229x 0.228mmStandby power consumption: Less than 0.017mWResolution: 250 x 122pixelsViewing angle: 170Material: PVCColor: As ShownPackage Contents:1 x E-ink ScreenOnly 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.