It took a while to get working, at least that's what I thought. I kept fiddling with it and thought it hadn't been connected in about an hour. Then I just let it go. The next time I plugged in my 5th wheel and turned on the TPMS monitor, I got a good signal from all 4 tires on the 5th wheel, while before that I got intermittent (at best) signals from the tires. Turns out it's as simple as it gets. Place it where you want, plug it in and you're done. If you have a long RV or trailer system, this