Brecknell - SBW311 This simple, weight-only electronic scale is perfect for letter and small parcel mail to ensure correct postage without overpayment. Office scale includes a postage rate chart; Off, On/Zero and Unit buttons; and an 11 lb. capacity. Scale displays weight in lb/oz or kg/g. The low-profile design is easy to use and store. Office scale uses four AA batteries (included).