If we want to use buttons electronic warehouse labels without cables what’s the battery life?

If we want to use buttons electronic warehouse labels without cables what’s the battery life?

If we want to use buttons electronic warehouse labels without cables what’s the battery life?
A:If you you choose electronic warehouse labels with button function ,the battery life is more than 2 years.

If you choose electronic warehouse labels with display function, the battery life is  more than 1 year