This ESL PCBA supports both 1.13-inch and 1.54-inch EPD (E-ink) electronic paper displays, offering flexible size options for various retail scenarios. Built with the 2.4GHz wireless protocol, it ensures stable and real-time price updates across supermarkets, pharmacies, and warehouse stores. The ultra-low power consumption design extends battery life to 3-5 years, significantly reducing maintenance costs.
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