Features: Experience the convenience of ePaper technology with the 2.9 inch EPaper Display Module. Its low power consumption and wide viewing angle make it perfect for pricetags, shelf labels, and industrial instruments. With its three color display (redblackwhite) and paper like appearance, the Epaper Module offer a unique visual experience. Designed forRaspberryPi enthusiasts, the EPaper Module is compatible withvarious controller boards like forRaspberryPi, JetsonNano andSTM32 etc Its SPIinterfaceallows for easy connection and integration into your projects. Specifications: Item:2.9in E-Ink Display Screen Module Resolution: 296×128 Display color: red black white Gray Scale level: 2 Working Voltage: 3.3V/5V Full update time: 15s. CommunicationSPI Display panel e-paper Outline dimensions: approx 89.5x38mm/3.52x1.5in Display size: 66.90x29.06mm/2.63x1.14in Update power: 30mW typ Point spacing: 0.227×0.226mm Package Includes: 1 Set 2.9in eInk Display Screen Module 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.