You must hook it up hardwired in there is no way to plug it in through the cigarette lighter like it says you cannot plug in the monitor through the cigarette lighter nor the camera through the cigarette lighter, and you must hook up the camera through the wires through the back to the monitor, so it's very time-consuming and you must know what you're doing you must hook it up hardwired in there is no way to plug it in through the cigarette lighter like it says you cannot plug in the monitor through the cigarette lighter nor the camera through the cigarette lighter, and you must hook up the camera through the wires through the back to the monitor, so it's very time-consuming and you must know what you're doing cause even if you don't get it in the right wire then the video components not gonna show on the little screen when I read their in order to buy it, it said that they could plug into the cigarette lighter as well. That's why I got it super disappointed.to hook it up because it needs full install . Yuif you don't get it in the right wire then the video components not gonna show on the little screen when I read their in order to buy it, it said that they could plug into the cigarette lighter as well. That's why I got it super disappointed.if you know how to do wiring and grounding then you can get this but if you don't , don't because the monitor abd the csjera power is not on the lighter thing they are just right wires.