Dymo®/SKILCRAFT® Digital shipping scale with LCD screen provides accurate reading of shipping weights within 0.1 ounce and includes a tare function for measuring the weight of package contents. Scale with 25-pound capacity is compatible with Windows and Macintosh operating systems and can be powered via USB cable (included) or three AAA batteries (not included). Scale Type: Postal; For Carriers: USPS®; Electronic/Mechanical: Electronic; Increments: 0.1 oz.