1. **2.13-Inch Display:** This e-ink display boasts a 2.13-inch screen with a 250x122 resolution and 2 grayscale levels. It utilizes 3-wire SPI and 4-wire SPI communication interfaces. 2. **Wide Viewing Angle:** This e-paper display clearly shows images in ambient light; no backlight is needed, and the viewing angle reaches nearly 170 degrees or more. 3. **Low Power Consumption:** This electronic paper display has low power consumption, essentially only consuming power during updates. 4. **Display Persistence:** This e-paper monitor retains the last screen content for an extended period after power-off. 5. **Wide Compatibility:** This e-ink display with SPI control interface is suitable for Raspberry Pi, Jetson, Nano, STM32, and more. Item Type: E-ink Display Material: Electronic Ink, Printed Circuit Board Operating Voltage: 3.3V Grayscale: 2 Screen Size: 2.13 Inches Resolution: 250x122 Communication Interface: 3-Wire SPI, 4-Wire SPI Global Update: 15s Display Size: Approx. 48.55 x 23.71mm / 1.91 x 0.93in Viewing Angle: Over 170 Degrees Display Color: Red, Black, White Includes: 1 x E-ink Display Customer Satisfaction: Customer satisfaction is our top priority. If you encounter any issues with the product after receiving it, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide satisfactory customer service.