I'm in the market for a back up camera for my '05 Tahoe. Looking for some advice on what to buy and how to install the camera at the rear.

What I'm looking for is somthing that:

1. Is mounted some way up from ground level to get a birds eye view. Well, not really, but I'd like to see my towing hook in relation to cars behind me when parking. So down on the towing girder is too low.

2. Descrete

3. As few new holes as possible. Preferably no new holes required

4. Preferably wireless com with monitor

And here somewhere is where it should be:

Click image for larger version. 

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Thank's for your tip's!