Quickly measure package dimensions to calculate shipping costs with these NTEP-approved scales. Simply place an item within the scan zone and they’ll give a readout in one-fifth of a second. They measure not only standard boxes and flat packages, but also irregularly shaped containers such as polybags. To transfer data to a printer or computer, connect an RS-232 cord (not included) via the DB9 port. These scales are compatible with UPS Worldship and other common shipping software. To calculate both weight and dimensions, use them with a weighing scale (sold separately).