With official support for Google Assistant and Amazon Alexa, you can use a simple voice command. AI-Powered Human Detection: More advanced than traditional PIR or motion detection, the new built-in sensors and highly accurate detection technology, it can reduce false alarms caused by plants, animals, or small insects.
So far these work fine and are much, MUCH easier to set up than Zmodo cameras. As far as we can tell, they do not need dual band internet. You do need to buy SD cards to replay video if you don't buy the cloud service. But all in all an inexpensive, workable security system.