This time-saving digital scale holds weight reading when display is covered by oversized package. Auto shut-off feature conserves battery power. This all-purpose scale displays only the weight of the item. Intended for private use only; not legal for trade. Electronic/Mechanical: Electronic; Scale Type: US Natural Scale (1:37,900,000), World Natural @ Equator; For Carriers: N\A; Increments: 0.1 oz; 0.2 g.