Flexzion Digital Jewelry Scale Diamond Gold Silver Coin Gems Weight Balance Tool 100g x 0.01g Mini Pocket Portable High Precision For Personal Commercial Use Weighs up to 100 grams in 0.01 gram increments. The backlit LCD display helps make the numbers viewable and easy to read Durable and compact digital pocket scale for easy portability. Main body use ABS engineering plastic as main material Automatically lock the reading when data is stable. Tare function. Low power consumption, powered by two AAA batteries (Not Included) Featuring 4 different weight modes: g / dwt / gn / ct for easy weight translations, tare function for net determination and a 60 second auto shut off to preserve battery life Use this scale to measure a versatile range of objects. Such as Gold, Silver, Coins, Jewelry, Gems and other small knickknacks