What is the technology of electronic shelf labels system for data integration?

What is the technology of electronic shelf labels system for data integration?

What is the technology of electronic shelf labels system for data integration?
Sertag electronic shelf labels system supports a variety of docking modes, enabling docking between different systems and data types, such as HTTP(WebAPI, WebSvc), FTP(Excel, txt)，file（Excel, txt ）and Database(SQL).