Open the Wyze app
1. Tap Account (Screenshot 1)
2. Tap Sharing (Screenshot 2)
3. Tap the plus, (Share with new user) (Screenshot 3)
4. Enter you emergency contacts email (Screenshot 4)
5. Tap the search icon (Screenshot 5)
6. Tap the cameras you want to share. (Screenshot 6)
7. Tap Share (Screenshot 7)
8. Repeats steps 1-6 for the rest of you emergency contacts
This guide from Wyze explains a little more of what sharing does.
https://support.wyze.com/hc/en-us/articles/360032408852-How-to-Use-Sharing