Does Gatso Camera Flash

I have never seen a Gatso Speed Camera flashing in front of me so I just wanted somebody to clarify a point From the video. A video to explain the different types of speed cameras and how they get you.

What happens if you are caught speeding And what do you do if you never get the letter notifying you of prosecution and the first. An example of a cyclist setting off the speed camera and the timings between the flashes.

Speed camera flash M62 Motorway is the highest motorway in the UK connecting Manchester and Liverpool M62 is a smart. QLD GATSO fixed Red Light Speed Camera Flashed twice on a GREEN light just as we go over the line at 0:05 Possibly.