American Weigh Signature Series Black Digital Pocket Scale, 600 By 0.1 Grams Also Includes a 50 Gram Chrome Scale Calibration Weight Durable and compact digital pocket scale for easy portability, Backed by a 10-year warranty Weighs items up to 600 grams in 0.1 gram increments Easy-to-read, backlit LCD display; intuitive, flip-open lid protects the smooth, stainless-steel weighing surface Powered by 2 AAA batteries, a set of which comes included Suitable for general laboratory, commercial, and educational use.