There are special smart home ecosystems in order to carry out autonomous life and control your home by itself, and what you are talking about is more like a smart security system. I've heard of similar features in the ajax security system. If you are interested, you can read more about it in the Internet, there is a lot of information on the subject. The main thing for you is to watch your pets through the smartphone screen, right? This functionality is available in this application of the security system. This should probably help you. I hope I was helpful.