AZ has had those for a while in fact because they are in a budget shortfall they are going to put up about 200 or so around the valley now.

with some mobile units that you can at least pickup with a radar dector.
Originally Posted by
Scott Dodge
Apparently, certain types of hair spray and license plate covers will reflect the flash, rendering the license plate unreadable.
The cameras in AZ I'm told can defeat the plates and sprays.

Its just like the radar and lazer companies always trying to stay ahead of the lazer radar dectors.