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wirless digital abels for retail

Sertag Retail Electronic Shelf Labels 2.4G 4.2inch BLE Low Power

Sertag Retail Electronic Shelf Labels 2.4G 4.2inch BLE Low Power

Sertag electronic shelf Labels 2.4G 4.2inch ble low power For retail is 2.4G frequency ,for the retails, warehouses and so on

Model:SETRV3-0420-40