It is sold at Best buy electronics and it is $225 roughly and it is the only hardwired one that is in the mirror that they stock.
I can't remember the brand to save my life
I mounted the camera on my spare tire in such a way I can still get the tire off kind of like the new JL.
You get the signal off your purple and brown backup light wire.
The mirror needs switched power from the fuse panel...you need a circuit that doesn't have much going on with it because nine through some codes when I hook it to the solenoid/emissions devices circuit