Ground Control 3.0 is an intelligently-designed system that features leveling jacks driven by the power of Hall Effect technology, which measures the jack leg’s motor revolutions, instead of amps, ensuring more accurate leveling for your 5th wheel RV. It also comes with an auto-level feature that provides you with the easiest, most efficient way to level your rig. And an automatic re-hitch memory functionality that stores your RV’s position when you unhook from your tow vehicle so that it can automatically return to that position when you’re ready to hitch back up again. Saving you even more time and hassle. .