Pelouze PS20DL Internet Downloadable Digital Postal Scale, 9-1/2 x 8 Platform, 20-lb. Capacity Internet Downloadable Digital Postal Scale weighs items in 0.1 oz. increments. USPS; UPS; FedEx; DHL rates are updated via an Internet download using an electronic process. Scale is powered by a 9V Battery (sold separately) or AC Adapter (PELADPT2, sold separately). Calculates letter and package postal costs. Computes U.S.P.S. First Class, Priority, Express, Parcel Post and International rates. Free download. Intended for private use only; not legal for trade. Internet download using an electronic process. Calculates letter and package postal costs. Computes U.S.P.S. First Class, Priority, Express, Parcel Post and International rates. Free download. Intended for private use only; not legal for trade.