This is a 1.54 inch backlit e-paper display with backlight, 200x200 
resolution,  24 pins FPC connection, optional FPC connector, communicating 
via SPI interface, with embedded controller(COG package) and on-chip stored 
waveform,  supports black and white. Support partial refresh, fast 
refresh and no flicker refresh.
 
In view of so many advantages: ultra low power consumption, near 180 degree view angle, GDEH0154D67-FL is a very good choice for applications like shelf label, smart tags, wearable devices, smart home application, industrial instrument, smart cards and other related products, and it can be used in dark surrounding.