hes anyone done this?

so i purchased this radio online

6.2 Inch 2Din Car DVD Player for HYUNDAI SONATA NF YU XIANG 2006-2013 Support GPS,BT,RDS,Game,iPod - USD $ 279.99

and then i needed a rear camera, now this is the tricky part...

i want it tolook professional so i figure i will get one that fits in the license plate light.

this is what it looks like on my car (license plate light) it is a video so please excuse me.
How to replace a license plate bulb on an 06 - 10 Hyundai Sonata - YouTube

but when i look for one online they are all like this

Car Backup Parking Reverse Reversing NTSC Rear View Camera for Hyundai Sonata | eBay

if you notice the one in the video like mine does not have screw holes... but this one and all the other do.. to be honest it mostly looks more like this one.

Car Rear View Reversing Camera for Hyundai IX35 I35 Tucson


so i was wondering if anyone has done this and could help?

thank you, steve

also could someone explian how to hookup the reverse wire so the camera turns on in reverse?