The New ProScale 666 is a classic design pocket scale. It's thin, durable and accurate. Although this scale is small, its cover can be used as an expansion tray to make the weighing platform larger than most table-sized scales. The integrated case and 5PPS* makes it more durable then any other scale in it's class. The ProScale uses the exclusive new 5PPS (5 Point Overload Protection System) to help prevent damage from accidental overload of the scale. · Reads up to 660 grams with 0.1 gram accuracy · Batteries Included · Full Tare feature · 4 Modes (Grams, Ounces, Grains & Pennyweight) · Auto power off at 90 seconds of non use · Built in ABS Polymer Hard cover. Cover doubles as an expansion tray · 5 year replacement Warranty direct from the Mfg. included. · Durable & Accurate ·  Soft-Touch keys · Extra-Large LCD display · Dimensions: 2.50” x 3.50” ·