I don't know if this product has yet reached your shores but after trying out the 'RiderScan' blind-spot mirror (£39) to the German Black Forest and back my personal opinion is that it doesn't do what it says on the tin. The main view is a distorted one of oneself (looking quite silly with outstretched arms), and this view fills most of the mirror, and when it did show a blind-spot vehicle it appeared to come out of my neck and was gone in a flash - ie. there was no warning of a vehicle approach. My little mirrors mounted on the main ones showed approaching vehicles well before the RiderScan did. The RiderScan is mounted on the windscreen exactly as per instructions. As I said, this is my personal opinion and I would be very interested to know the reaction of anyone else who has tried this product. The picture shows my bike loaded up with my wheely suitcase on holiday somewhere in Germany.