It's non-existent. If you consider them disposable cameras with local storage and minimal functionality, they're great for the price.
Wyzecam is considering adding 'RTSP' protocol to allow other devices to retrieve the video stream. Doubtful that it will be implemented as it directly impacts their business model.
From WyzeCam subreddit:
"We want to create an ecosystem of products that work through our app. If people stop using our app, what are we providing (given that we don't make the hardware ourselves)? We don't have a specific plan for subscriptions at this point but we are considering it so that we could provide cloud storage options beyond our baseline.
We might enable RTSP (still working on deciding that). We also may add features to our app that would reduce the need for RTSP by making things work through the app itself. It's a bit up in the air right now."
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