Launching a boat with only side mirrors for field of view

The camera is not just for a boat launch. Once you have one you will not understand how you could ever do without one so far... at least that was our experience. No longer does one of us need to get out of the truck to signal the driver whenver we back the truck/camper up. And I am quite sure it would have avoided the two instances where we still managed to hit another vehicle with a jack plate...