American Weigh Scale Blade Digital Pocket Scale 650 X 0.1 G, Silver, 610 X 0.1 G Weighs up to 650 grams in 0.1 gram increments. Unique flip-out display and easy to use three key operation. Two sizes of expansion trays and carrying pouch included. Powered by 2 aaa batteries (included). Backed by a powerful 10 year warranty.