No backlight required; the last screen's display content can be maintained for an extended period even after power failure Designed based on the for 40-pin GPIO interface, suitable for series motherboards and for Nano It has a reserved SPI control interface, which can be connected to main control boards such as for , for Nano, ESP32, for , and STM32 Onboard level conversion chip, compatible with 3.3V and 5V microcontroller interfaces The power consumption is very low, and it only consumes power during refresh High-concerned chemical:None Compatible :Universal Product Type:TFT (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:LCD Package Contents: 1 * 5.83-inch 40Pin e-ink Screen 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.