SALTER BRECKNELL Digital Bench Scale is a great alternative to mechanical scales. This electronic version offers increased accuracy even at higher weight capacities. Holds the weight reading when a large package blocks the display. Keyboard features hold button that freezes display weight on packages of three lbs. or more; tare function, and unit control that scrolls between pounds and kilograms. Powered by a 9V battery (not included). AC adapter is included.NOTE: Scale weighs load only in the listed increments. For example, 100-lb. capacity scale weighs in 0.2-lb. increments.