No need for backlight, power off can keep the display content of the last screen for a long timeVery low power consumption, basically only consumes power when refreshingUse SPI control to ensure that it does not take up too many interface pin resourcesBased on for Raspberry Pi Pico interface design, suitable for Raspberrypi Pico series motherboards, on-board female headers, can be directly connectedSupport partial refresh, low power consumption, wide viewing angle, and clear display even when power is off Used for display applications such as shelf labels and industrial instrumentsWorking voltage: 3.3/5VGrayscale: 2Communication interface: 3-wire SPI, 4-wire SPIPartial refresh: 0.3sDimensions: 65.00X30.50mmGlobal refresh: 2sDisplay size: 48.55X23.70mmRefresh power consumption: 26.4mw (typ.)Dot pitch: 0.194X0.194mmSleep current: Less than 0.01uA (close to 0)Resolution: 250X122pixelsViewing angle: Greater than 170Display color:Black WhiteMaterial:plastic colour:BluePackage Contents:1 * Electronic ink screenOnly the above package content, other products are not included.Note: Light 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.