What I have learned about wireless backup cameras is that that all of them have range issues except the wifi ones. Some having 300 foot ranges. I got a Rampage 7710 portable camera that uses my smartphone as the monitor. So much better, and cheaper, than having to get a whole new monitor and mount it to your dash. I really like it since it has magnets for mounts, I can use it for hitching or reversing while I am towing, whether on the TV or the rear of my camper. My main point for posting is that most people don't know there are wifi backup cameras and you can use your phone as a monitor for some of them. Good Luck