Scale Weight up to 40kg / 88 lb / 1,410 oz * Minimum weight 20g / 0.04 lb / 0.7 oz, Multiple Weighing Unit/Modes: kg / lb / oz * 10 gram / 0.02 pound / 0.5 ounces accuracy * Requires 2 x AAA Batteries (Batteries not included). * TARE Function - zero can be set for any weight of bag