The USN-600 digital scale is a low cost professional digital scale. Weighing in grains (gn), ounces (oz), pennyweight (dwt) and grams(g). Capacity: 600g x 0.1g (9259.42gn). The USN-600 comes with a 10 year no questions asked warranty. This scale also has a backlit display, stainless steel platform, removable lid/tray and auto off feature. Included are 2 AAA batteries. The USN-600 is an excellent choice when quality and price matters.