American Weigh Scales BL-100-BLU Blue Blade Digital Pocket Scale, 100 by 0.01 G Plastic Weighs up to 100 grams in 0.01 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