Mettler Toledo PS60U5101-000 Model PS60 Parcel Scale (150pounds / 60kilograms Capacity) with ABS Flat Top Platter, GEOCAL Calibration, RS232 Computer Interface for Use with Carrier Manifest Software 150 pound capacity for parcel weighing  Ideal for Carrier Manifest Systems GEOCAL Calibration Compensation  Ensures Local Accuracy, Multiple platter options for flexibility NTEP Approved  insured accuracy and legal for commercial applications RS232 Computer Interface for use with Carrier Manifest Software, Stainless Steel Platter, Operates from 14 to 104 F AC Power (Adapter Included), 6ft USB Cable Included. RS232 Serial Cable 6ft P/N 16317400A and Power Supply 6ft P/N 72205982 Optional and Sold Separately