Features: Ink screen bare screen does not require backlighting, and can maintain the display content of the last screen for a long time when powered off. The power consumption is very low, and it only consumes power during refresh On board level conversion chip, compatible 3.3V and 5V level interfaces The electronic ink screen uses "microcapsule electrophoresis display" technology for images display, and its working principle is to suspend in liquid. Electronic ink screens can display images clearly in ambient light such as lighting and natural light, without the need for backlighting, with a viewing angle of almost 180 degrees. Application scenario: suitable for mall price tags, asset equipment tags, electronic shelf tags, conference nameplates, etc Specifications: Item:2.66in E-Ink Display Screen Module Resolution: 360x184 Visual angle: approx 180° Display color: red, yellow, black and white Gray Scale level: 2 Communication interfaceSPI Display panel e-paper Type: Only 2.66in E-Ink Display Screen/ 2.66in E-Ink Display Screen with Module Size: As Pictures Package Includes: 1PC 2.66in E-Ink ePaperScreen note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.