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Outdoor Black/White Digital Signage
EKOBW
Quantity
EKAA Outdoor Black/White Digital Signage simplify operations, reduce labor costs, and are designed to last longer than consumer TVs. In addition, the displays include computer memory, a processor, and a operating system. 
1-Wider working temperature More durable
2-Long Lifespan Design  
3-Lower power consumption
4- Not need cooling and heating 
5-Independent solar power supply
6-The refresh rate is 60Hz
7-Support play videos and pictures

VS E-INK

1-EKBL has a wider working temperature and  more durable than E-ink;
2-E-ink can only play pictures, and EKBL supports playing videos and pictures
3-The e-ink changed content is more complex and not supported much software ; EKBL supports many softwares
4-EKBL long lifespan than E-ink
5-Higher power consumption of E-ink than EKBL
6-E-ink needs cooling and heating system
7-EKBL had completely independent solar power supply
8-E-ink content refresh rate is 0; EKBL refresh rate is 60Hz