Your best option is the Blackvue DR750X-2CH if you are willing to spend a bit more for a very high quality set-up. It also has parking mode built in so no additional accessories needed. If you have more questions, PM me and we can talk via phone.
BlackVue is officially replacing its DR750S series with the DR750X lineup, starting with the DR750X-2CH - keeping the ultra-stealth design, Full HD at 60FPS, and all of the great features but now with a heavier focus on Cloud integration.
www.blackboxmycar.com
If you are on a tight budget, this is the nicest of the "cheap" camera set-ups:
The next generation of the A129 is here. Capture your ride with the new 4K VIOFO A129 Pro Duo.
www.blackboxmycar.com