$20 camera Wyze Cam v3 | Wired Security Camera with person detection.
I am guessing the part you are pointing out is that either there is an added price for Person Detection with CamPlus subscription (very very low price) and they have spoken at length on the complexity of this AI needing the cloud currently but they want to move it to the Edge.
Originally it was on the Edge from Xnor.ai but that contact was suddenly ended due to their own acquisition by Apple 
Here are some of those details Person Detection Update: A New Experiment for Premium Features