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Overview This is an E-Ink display module, 2.9inch, 296x128 resolution, with embedded controller, communicating via SPI interface, supports yellow, black, and white three-color display. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on. Specifications Operating voltage: 3.3V/5V Interface: 3-wire SPI, 4-wire SPI Outline dimension: 89.5mm × 38mm Display size: 66.89mm × 29.05mm Dot pitch: 0.138 × 0.138 Resolution: 296 × 128 Display color: yellow, black, white Grey level: 2 Full refresh time: 15s Refresh power: 26.4mW(typ.) Standby power: 170° PACKAGE CONTENT 1. 2.9inch e-Paper Module (C) x1 2. XH2.54 20cm 8Pin x1 Development Resources Wiki : www.waveshare.com/wiki/2.9inch_e-Paper_Module_(C) 100% original,offer technical support!