They typically are like a trailer hitch with a bunch of solar panels on it, and then a pole, and a multi-directional camera on the very top of the pole, with a blinking light. I’m colorblind, but I think the light is blue.

That’s one version of surveillance, but I don’t think it’s from Flock. That’s a different company (though no less worthy of destruction).

Flock cameras look like this:

While they’re sometimes seen in parking lots (especially entrances and exits), they’re typically installed on the side of the road in seemingly random places.