Up4it
I had an earlier model which was just a laser scramle unit and was made by the same company (Snooper) i assume they use the same technology and have developed it further.
Dr Filth is correct, they are not illegal to sell, they are just illegal to use.
My unit had two devices installed under the front number plate and gave an audiable signal inside the car when a laser was detected. Then, you made sure you wree under the limit and switched it off allowing the laser to detect your speed (which should be okay by now as you will taken made sure of this). This should eliminate suspicion from whoever is trying to detect your speed.
It worked like a dream, I was given the name of a man who had a speed gun and we met on a trading estate up the M40 to test it out and on every occassion, he could not get a reading. We tested it from many angles and he spent a full hour with me (�40).
It also came with a free 1 year insurance policy that would cover my costs should i receive a ban for points accumalation.
My advice is to get one, even if its just to give you a warm fuzzy feeling that the do-gooders on here would disapprove