That is wired as an “observation camera” which means it is intended to be always hot. Essentially, you can hook up a camera and see what is behind you while towing at all times. Not just when backing up.
I believe mine is always hot when the battery switch is on or when hooked up to my tow vehicle.
If you bring your monitor in your trailer while camping it allows you to see what is going on outside at all times sort of like a security cam.
If you want back up only you can try to hook into your back up light wiring, but I wouldn’t bother as the draw is very little to power the camera.
However, it is another reason to make sure you use your battery disconnect while in storage. This and other detectors also draw power all the time unless the batteries are disconnected.
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2018 Voltage 3305
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