How does electronic shelf label work

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The electronic shelf label is an electronic display device that can be placed on the shelf and can replace traditional paper price tags.
Each electronic shelf label is connected to the computer database of the mall through a wired or wireless network, and the latest commodity prices will display on the electronic shelf label.
In fact, the electronic shelf label successfully incorporated the shelf into the computer program, got rid of the situation of manually changing the price label, and realized the price consistency between the cash register and the shelf.