A:AnswerAll you need is a TV 4K for best picture quality with a hdmi port to plug the DVR recorder into and you can access everything to set up and control the cameras. You don’t need a cell phone unless you want to get notifications and access the DVR away from home.
A:AnswerOnce you set up the system and connect to your Google Assistant, you simply say "OK Google, Show Front Door" (or any of the other cameras) and Google will bring up a live picture of that camera.