Hello! @Dorothy123,
Thanks for your for posting here in the Roku Community!
We understand your concerns regarding your Outdoor Camera SE, and we want to help you.
Go to the account tab to check if two-way audio is enabled on the Roku Smart Home app. Then, try using another device or log in to a different phone to see if the echo continues.
If the problem persists, you may want to consider uninstalling the app and then reinstalling it.
Please keep us updated on your progress so we can continue to assist you.
Thanks,
Arjiemar
Arjiemar
Roku Community Moderator