Q:Some ESLs do not reliably send status to GWs anymore. It needs a hard reset or battery removal to
 A:    We find that it is usually the cause of the loose battery, and we will improve the shell in the new version to prevent the battery from loosening.                       

Previous:Q:How many times we can use ESL management software?

Next:Q:is it possible to have the ESL frames in Black colour ?