Easy-to-read four-digit LCD display. Auto-zero function at start-up and auto shut-off at 30 seconds. Low battery indicator adds to the battery``s life. Scale displays only item weight. 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.