Enhance your DIY projects with this versatile 3.5-inch e-Paper display module, offering a high-resolution of 384x184 It features a vibrant four-color palette (red, yellow, black, and white) that brings visuals to life with clarity and contrast Perfectly compatible with popular development boards including for , for , ESP32, and STM32, this display is ideal for a wide range of applications from educational tools to sophisticated industrial instruments. Its low power consumption and paper-like display suitable for portable devices and projects where power efficiency is crucial Whether you're a hobbyist looking to enhance your next project or a integrating displays into commercial products, this e-Paper module provides reliability and quality Specification:B: screen version Working voltage: screen version: 3.3V Communication interface: 3-wire SPI Grayscale level: 2 screen version: 91.75 x 45.03 x 1.00 (mm) Fast refresh: 15s Display size: 79.68 x 38.18 (mm) Dot pitch: 0.2075 x 0.2075 (mm) Resolution: 384 x 184 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.