Polder Portable Pocket Scale - Compact Scale with 6 Weighing Modes, Digital Display (KSC-936-47) Compact scale with backlit digital display and cover/tray  cover doubles as tray weighing surface Extremely portable, fits in a pocket, and is great for weighing items on the go. 1.1 lb. / 500 g. capacity; Reads in .01 oz / .19 g. increments Add & weigh tare function - scale weighs in 6 modes: grams (g), ounces (oz), troy ounces (ozt), pennyweight (dwt), grains (gn), and carats (kt) Automatically turns off when not in use, one CR2032 battery included For over 41 years, Polder believes in customer satisfaction and guarantees all of our products. If you are not satisfied, please contact our customer service for a replacement or refund. The consumer must remove the blue label over the LCD display and a battery conservation tab in the battery compartment for the item to operate.