Sertag Electronic Shelf Labels 2.4G Waterproof IP67 4.2 inch BLE Low Power SETRV3-0420-43
Sertag electronic shelf labels IP67 2.4G 4.2inch BLE low power is 2.4G frequency, for the retails, warehouses and so on
Model:Waterproof Electronic Shelf Label SETRV3-0420-43