I've heard of them but know nothing about them.Who makes them? Where do you get them? I'd be particularly interested in the GPS tracker.
Depending on what functions you want, a GPS tracker can be something as simple and cheap as a reprogrammed Motorola cell phone with GPS hidden in the trunk set to log. It can be even simpler if you don’t care about remote access and just want to know where your car went when you weren’t there. Costs are under $100, and there’s lots of them on eBay. Same thing with dash cams. You want a 1080p (1920x1080) resolution unit of those, though.