This simple weight-only electronic scale is perfect for letter and small parcel mail to ensure correct postage without overpayment. The low profile design is easy to use and store. Features a flip-up letter stand to hold large envelopes. Powered via AC adapter or 9V battery (both included). This model has a Hold feature for larger parcels, a Units key to toggle between lbs/oz and kg/g, a Tare key and an On/Off key.