electronic balance: capacity: 10g/0.001g, 20g/0.001,0.002g, 30g/0.002g, 100g/0.005g electronic balance:Auto shut off.Auto calibration.Auto zero tracking.Large LCD display with backlight.Power source: 3xAAA size batteries.10g/0.001g, 20g/0.002g/0.001g,30g/0.002g/0.001g, 100g/0.02g