RV Level 4: This Simple RV Leveling System Is A Better Way To Level Your RV
Here is a list of all the ways the RV Level 4 beats other RV leveling systems I’ve tried: it’s easier to use, it runs on USB instead of batteries, the app works perfectly without changing the settings on your phone, the calibration switch is better than the others’, it’s more reliable (accurate within 1/10th of an inch), and it’s less expensive.