And even if the unit measurement is the same—a dozen eggs, for example—the calculations of these unit prices can be very inconsistent, as the labels above from a Target in New York demonstrate.

New Jersey is one of nine states where companies are mandated to display unit pricing using state-regulated measurements for food, coffee, cleaning products and other items.

Although it is possible to measure the distance from the air to the object in the remote mode, it should be able to measure more accurately by attaching the attached leveling unit.