The TANITA 1479j2 is a small digital scale with ultra-precision technology, capable of measuring weights up to 200 grams with graduation of 0.01 grams. It features six different measurement modes: gram, ounce, troy ounce, pennyweight, carat, and grain, making it suitable for a wide range of applications. Its compact size makes it easy to carry around, and it is commonly used in laboratory settings, jewelry stores, and other situations where precise weight measurements are required.