Solution
Electronic shelf label
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Electronic shelf label, a substitution of traditional paper price tag, is an electronic display device placed on the shelf. Each ESL is connected to the computer database via wireless network and displays the latest price. ESL in fact succeeds in classifying shelves into computer processing and getting rid of manual replacement of price tag, thus realizing the consistency between the price of the checkout counter and shelves.
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Automobile remote controller
Application in Electronic Toll Collection
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