The WoBLR (Worlds Best Level for RVs ) provides the user with a remote 2 dimensional display of the level of their RV, on the app leveling screen. The WoBLR mounts in its provided holster, in any location on any RV and is calibrated to that spot. After selecting the type of trailer and entering some simple measurement data points, the WoBLR will show you your RV, the bubble level in 2 dimensions and what the offset is at all jacks. The WoBLR allows you to set a Hitching point with if you have a 5th wheel or bumper pull. Since WoBLR is removable, you can level your picnic table, your grill, your friends trailer, and more...