1.54 inch E-ink Display Module This is an E-Ink display or electronic ink display module, 1.54inch, 200x200 resolution, with an embedded controller, communicating via SPI interface, supports partial refresh. E-Ink display is communicating via SPI interface and it supports partial refresh. As these electronic ink displays have no backlight panels and it doesn’t need a continuous power supply to display the (static data with periodic intervals) data on the screen, The E-Ink display has a great advantage of ultra-low power consumption. Package Includes: 1 x 1.54 inch E-ink Display Module E-Ink Display Specifications Operating Voltage (VDC) 3.3V/5V Interface 3-wire SPI, 4-wire SPI Display Resolution 200 x 200 Display Size (inch) 1.54 Dimensions 48 x 34 x 10(mm) Weight  20 grams

4.3in Serial Interface Electronic Paper Display This E-Ink display module, 4.3inch, 800x600 resolution, with serial interface and embedded font libraries, is far more user friendly than its competitors. You don't need to understand the intricate underlying details of e-Paper or the specific algorithms for displaying graphics, texts, and images. All it requires is a serial interface, and all that matters is your imagination.