i have one of the ones from amazon but i got it from ebay but it was listed for a honda accord but it fits fine and it looks down on the edge of bumper so you know exactly how far from a car you are. it fitted inplace of the licence plate light and uses the power from your original light to power the light on camera for your number plate light which has leds.i got the ccd one in pal version works a treat and i used a bit rtv sealent when i fitted it just to make sure no water leaks in boot when i jet wash it :WOOT
http://www.ebay.co.uk/itm/CCD-Car-Rear- ... 4cf81cfd69
here a pic of it fitted under number plate light plinth with rtv sealer round edge for water tight fit
number plate lights are now leds built into camera
screenshot