100gm x 0.01gm US Balance High Accuracy Professional Pocket Scale Compact design that is light & versatile, and easily fits in your pocket. It measures 5 by 3 inches and an ultra thin 7/8" thick. The scale weighs less than 5 ounces Included are 2 AAA Batteries, 2 FREE 50 Gram calibration weights, User s Guide and a 5 Year Manufacturer Warranty. Automatic shut-off feature ensures long battery life Four measuring unites: Gram, Ounce, Grain and Carat Uses include: Laboratory Scale, Precious Metals, Jewelry, Mail, Medical(clinical), Diet/nutrition.