Here is a professional electronic digital pocket scale. The capacity of this scale is up to 100 grams to .1 gram accuracy. The scale weighs in grams, ounces, grains and pennyweight (DWT). There is a blue back lit LCD display. Mini pocket size design. Comes with batteries. This scale is great to weigh the rings you find, gold nuggets and more. Pocket scale size is 5" x 3" x .75"