Weigh envelopes and packages up to 10 kg. LCD screen displays weight in accurate, easy-to-read digital format in kg/g or lbs/oz. “Hold" feature locks weight display for ten seconds after item is removed convenient when large package or envelope blocks view of display. Tare function – weigh items in a container minus weight of container. Automatic shut-off when the scale is not in use to conserve power. Powered by 3 AAA batteries (not included) 426341DZ1 and 426342DZ1 can also be powered with USB