This video was made in Canada. More recently, these systems have begun to see use in the United States to quickly pick out vehicles without insurance, unregistered, reported stolen, involved in crimes, etc... that have been entered into a database.
I have disabled comments because the mass majority of people are stupid, and so are their comments.
The New York State Troopers have begun using a Whelen LED lightbar for some of their new cruisers to test their effectiveness.
Needless to say, they are FAR SUPERIOR to the old Vista, and Federal Street Hawk lightbars!!
East Fishkill FD Engine 39-15 responding to an MVA. EFFD Rescue 2 (39-52) can be heard in the background, responding ahead of 39-15 (didn't hit record in time).