<p>No backlight is required, and the last screen display content can be maintained for a long time when the power is turned off</p> <p>The power consumption is very low, and basically only consumes power when refreshing</p> <p>The electronic ink screen can display the picture clearly under ambient light such as light and , without backlight, and is comparable to the display effect of traditional paper. It is often used in applications such as </p> <p>Applicable to shopping mall price tags, asset equipment tags, electronic shelf tags, conference name tags, etc</p> <p>Communication interface SPI</p> <p>Display color: red, yellow, black, white</p> <p>Operating voltage: 3.3V\/5V</p> <p>Communication interface: 3-wire SPI, 4-wire SPI</p> <p>Grayscale level: 2</p> <p>Global refresh: 21s</p> <p>Refresh power consumption: Less than 30mW (typ.)</p> <p>Dot pitch: 0.1755x 0.1755mm</p> <p>Resolution: 792x 272pixels</p> <p>Viewing angle: 170\u00B0</p> <p>Material: PVC</p> <p>Color: As Shown</p> <p>(Due to different batches, the printed words on the product be different, which does not affect use)</p> <p>Package Contents:</p> <p>1 x E-ink Screen</p> <p>1 x Connecting Cable</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>