Jennings JSVG-40 Compact Digital Jewelry Scale 200 carat capacity x 0.02 carat resolution. Also measures in grams, grains, ounces, troy ounces, pennyweights and milligrams. Compact 4.75" x 3" x 1.5" size for easy storage and portability. Tare, calibration, auto-off and counting functions. Batteries, Weighing Tray, Calibration Weight and Hard Shell Carry Case Included. 20 year manufacturer's warranty.