Up to 100lb capacity. Displays weight in 0.2lb increments. Tare function weighs items in container minus the weight of the container. Hold feature locks weight display for 10 seconds after package is removed. Also features automatic shut-off and detachable LCD display for convenient hand-held or wall-mounted viewing. Works with Windows XP, Vista or 7 and Mac OS v10.4 or later. Runs on USB power, AC adapter (included) or three AAA batteries (not included).