it does not seem to work in the uk i got it when i was in america it worked fine over their .made some enquires .and been told it works on a different freqency to uk
I have the green one and it works fine in the UK, even if it's not 'approved' - but it's easy to burn up the battery without realising it. There's also a mod you can do to increase the range but you'll have to google for it.