How to share the device to my families or friends?

Step 1: Log in to your EZVIZ account, tap the profile icon on the top left 

Step 2: Tap Family & Guests

Step 3: Tap Add Sharing  

Step 4: Input a valid EZVIZ account to which you would like to share, and ensure the region of the guest account is the same as the owner account, then tap Continue 

Step 5: Select the devices you would like to share and you can edit the permissions by tapping the device. After the guest account accepts the invitation, it means the devices are shared with success.