:Does the system track the battery status? How to pair the barcode of the products with the ESL?

:Does the system track the battery status? How to pair the barcode of the products with the ESL?

:Does the system track the battery status? How to pair the barcode of the products with the ESL?
The Sertag electronic price tags system work on secure encrypted wireless frequency, not to be affected by other Wi-Fi signals.  
The electronic shelf labels system always track the status of battery, include power and signal etc. The ESL with a barcode when they leave the factory.