Where Exactly DO THEY SELL COP RADARS?????

Question

THE RADAR TO TRACK POLICE CARS WHEN YOU ARE DRIVING. SO...... OF COURSE WHEN YOU SPEEDING AND IT DETECT IT YOU CAN DECREASE YOUR SPEED.

Answer 1

There is no such thing.  

You're thinking of a radar DETECTOR.  A device which detects radar.  Police use radar to determine your speed, a radar detector tells you when there is radar being used in the area.  

None of them are 100 percent effective.  

Every source I've ever seen says that this is the best one:

http://www.valentine1.com/