Hoppy Level Plus With Memory indicates side-to-side and front-to-back level, amount of adjustments needed AND actually remembers your hitch height for easy reconnection! It's a new concept in trailer leveling! This handy device does it all and then some! Indicates both front-to-back and side-to-side levels; Indicates how many inches are needed to raise the low side to level; Unique memory allows helps you quickly and easily return your trailer to hitch height for easy, convenient reconnection to your tow vehicle. No more jumping in and out of the truck!