1.It features a vibrant four-color palette (red, yellow, black, and white) that brings visuals to life with clarity and contrast 2.No backlight is required, and the last screen display content can be for a long time when the power is turned off 3.The power consumption is very low, and basically only consumes power when refreshing Specification:B:Module Version:The following is only applicable to the module version Based on the FOR 40PIN GPIO interface design, suitable for , Nano Adopting the HAT+ standard, it improves the interoperability of the expansion board, helps developers to design and develop faster, and use external devices more easily to expand the functions and performance of the for Reserved SPI communication interface for easy access to for / for / STM32 / ESP32 and other main control boards Onboard level conversion chip, compatible with 3.3V and 5V level interfaces. Working voltage: Module version: 3.3V/5V Communication interface: 4-wire SPI Module version: 94.00 x 47.50 (mm) Global refresh: 20s Display size: 96.00 x 57.00 (mm) Dot pitch: 0.196x 0.196 (mm) Resolution: 416 x 240 pixels Refresh power consumption: Less than 30mW Sleep current: Less than 0.01uA (close to 0) Viewing angle: 170° Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use Color: As Shown Material: LCD Package Contents: 1 x e-Paper Display 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.