12 v Splitter Y type
The 5volt cameras must use the power adapter provided that converts 12v to 5v.
If you would like to hard wire the camera I used a splitter and cut off one pig tail then wired it into the fuse panel. I plugged the power adapter to the camera in it and taped it so it would not slip out over time.
You can use the other pigtail for another vehicle if you use the camera in more than one vehicle.