The Siena Professional Food Scale supports up to 11 lbs./5 kilograms and is accurate to within 0.1 ounce/1 gram. This handsomely modern kitchen scale features four units of measurement - pounds, ounces, kilograms, and grams. The Capri Professional Food Scale has an easy to read liquid crystal display that automatically shuts off when left idle for 90 seconds to save battery life. Powered by 4 AA 1.5 V batteries which are included. Measures 7.75"(L) by 6.125"(W) by 2.25"(H).