Size: 29.2*59.2*1.0mm Resolution: 240x(RGB)x320 Response Time: 15 (ms) Brightness: 250 cd/m2(nits) Pixel: 250 x 122 Viewing Angle: IPS full viewing angle (°) Contrast Ratio: 500:1 Dot Pitch: 0.02 (mm) Package Includes: 1 pc Product Features: 1. This 2.13-inch black and white e-paper display utilizes advanced technology to deliver a paper-like reading experience. Enjoy crisp fonts that are gentle on the eyes and readable in any lighting conditions. 2. Compared to traditional LCD or LED screens, e-paper consumes significantly less power, extending battery life. E-paper also boasts a longer lifespan and enhanced durability. 3. Experience exceptional viewing angle stability and high contrast, ensuring clear visibility even in bright sunlight, making reading a breeze. 4. The compact 2.13-inch size fits perfectly in your pocket or backpack, allowing you to read anytime, anywhere. 5. The special reflective surface ensures clear readability even in direct sunlight, while also providing excellent visibility in low-light conditions. For optimal use, consider pairing with a reading light. Notes: 1. Manual measurements may have an error of 1-3 cm; please refer to the actual product received. 2. Due to lighting and computer monitor differences, the colour may vary slightly from the photos.