The steps to link the Ezviz device with Alexa are as follows:
1 - Find and enable the Ezviz skill in the Amazon Alexa app: Devices -> My Digital Home Skill.
2 - The skill will request access to the Ezviz account and you must enter the username and password of your ezviz account:
3 - After logging in, the devices added to the Ezviz account will appear within Devices of the Amazon Alexa app.
NOTE Q: The added cameras can be viewed through an Alexa assistant with a screen (e.g. Echo Show), on a FireStickTV or on a compatible SmartTV, when using voice command: Show "camera name" or similar expressions.