Simple weight-only electronic scale which is perfect for letter and small parcel mail. Ensures correct postage without overpayment. Low profile design is easy to use and store. Features flip-up letter stand to hold large envelopes. AC or battery powered. This model has a Hold feature for larger parcels. Scale Type: Postal; Electronic/Mechanical: Electronic; Increments: 0.1 oz; 2 g; Power Source(s): AC Adapter or 9V Battery (Both Inlcuded).