I never bought it, it was borrowed from a guy at racing, I was going to buy it from him until I came across the issue.
Anyway the spectrum is amazing, although the receiver is a bit on the big side but I've managed to squeeze it all in and it looks great.
Its the best mod I've ever made to my car if you can class it as that. I was only a lap behind the top guys last night and I was on dead tyres.