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Message: <blockquote data-quote="95PGTTech" data-source="post: 711837" data-attributes="member: 9525">Get your info straight. Don't use RADAR numbers in a LIDAR argument.At 1000ft, the cone of infrared light is no more than 3 feet wide. If you're within this three feet, it bounces off you, back to the pickup, and it divides it by two. It takes a few hundred examples over a third of a second, and it calculates your speed, very accurately.It IS possible for the infrared light, some of them, to bounce off that car and onto your car, then find its way back to the pick up. But, as said, the pickup is taking hundreds of samples in a fraction of a second. Since it would take the light significantly longer (if we can use the term longer when referring to nanoseconds) to go between the two cars and back, the pickup computer is smart enough to throw these very few results out. Even so, you need to be within feet of the other car for this to happen. The chances of you getting hit even directly next to the car being shot and those beams making their way back to the pickup are infinitesimally small to begin with. You increase that distance to a few car lengths and you get the same kind of chances that the world actually ends on 2012.Where as a RADAR gun puts out junk in all directions, constantly, the LIDAR only puts out in the cone when the trigger is depressed. That's how RADAR gets picked up, the flood of constant supply random beams. You can think of LIDAR as more of a "gun." If your detector picks up LIDAR, it's because you're hit. RADAR can be picked up around SOME turns simply because of the billion times higher quantity of light it's putting out. The law of averages say it is going to bounce off more items and hit your detector. That's why you drive past WalMart and the door sensors set off your V1 four hundred feet away.The only 'proof' Valentine has is their own marketing, and no evidence to back it up. A more tell-tale sign is their refusal to pay LIDAR enforced tickets. If they feel so strongly about their product, why don't they, literally, put their money where their mouth is.</blockquote>