What's the best speed trap/camera detector and is there a product that will detect and warn about speed limits on the move?

Could you please advise on the best speed trap/camera detector and a product that will detect and warn about speed limits on the move?

Can I get a safety camera warning installed on my sat nav?

I wanted to update my Nissan Micra sat nav, which didn't have speed camera warning function. I downloaded what looked like just the thing from a free speed camera website onto a memory stick and uploaded....

Can you recommend a device that will detect safety cameras?

I have a 2017 Jaguar F-Pace 2.0d without the safety cameras camera detection function on the sat nav system. I bought the car at nine months old and my local Jaguar dealer tells me the safety camera system...