They keep data local by default
https://gizmodo.com/eufy-local-security-camera-cloud-unencrypted-scandal-1850059207
The original security issue was first noticed by security researcher Paul Moore, who noticed Eufy cameras were streaming recorded video to a cloud server on the site’s web portal, even though cloud storage wasn’t enabled. That data sent to the cloud remained unencrypted.
https://www.theverge.com/23573362/anker-eufy-security-camera-answers-encryption
Anker has finally admitted its Eufy security cameras are not natively end-to-end encrypted — they can and did produce unencrypted video streams for Eufy’s web portal.
The article also includes a response from Anker.