Features: 1.Paper Like Display: This ink display can form a similar display effect to traditional printed paper in ambient light by reflection. 2.13 Inch Screen: This E paper screen adopts 2.13 inch screen with the resolution of 212x104 and gray level 2. Partial refresh is supported. 3.Wide Angle: This electronic paper screen can clearly display images in ambient light, backlit is not needed, and the viewing angle reaches almost 170 degrees or more. 4.Last Content Display: This E paper monitor can keep the last screen display content for a long time after power off. It basically consumes power only when refreshing. 5.Widely Compatible: This ink monitor with SPI control interface, suitable for RasPi, for Jetson, for Nano, for STM32, etc. specification:Item Type: Ink Display Material: Electronic Ink, Printed Circuit Board Operating Voltage: 3.3V Gray Level: 2 Screen Size: 2.13 Inches Resolution: 212x104 Communication Interface: 3 Wire SPI, 4 Wire SPI Display Size: Approx. 48.55 x 23.71mm / 1.91 x 0.93in Partial Refresh 0.3s Global Refresh: 2s Viewing Angle: Over 170 Degrees Display Color: Black, White PackageList:1 xInk Display Note1. The FPC cable of the screen is fragile. Bend the cable along the horizontal direction of the screen, not the vertical direction of the screen. 2. Ink screen is more fragile, pay attention to avoid falling, collision, hard press. 3. Note that the screen cannot be powered on for a long time. When the screen is not refreshed, the screen should be set to sleep mode or power off. Otherwise, if the screen stays at a high voltage for a long time, the diaphragm will be damaged and cannot be repaired. 4. When using the ink screen, it is recommended that the refresh time interval is at least 180 seconds, and at least every 24 hours to do a refresh, if the ink screen is not usedfor a long time, the it should be white storage.