SmartReloader SR750 Reloading Digital Scale Allows you to choose from four different modes: Gram (g), Grain (gn), Ounce (oz), Carat (ct) Accuracy: 50g/0.01g (771 grains/0.1gn Display: 5-1/5 inch LCD Auto Off: 60 seconds off feature Operation temperature: 10-30-DegreeC