Scale Sub-Category Precision Balance, Compact Bench Scale, Digital/Mechanical Digital, Capacity 420 g, Scale Graduations 0.01 g, Scale Display LCD, Weighing Surface Depth 4 in, Weighing Surface Width 4 11/16 in, Overall Length 8 13/16 in, Overall Width 8 in, Overall Height 2 1/8 in, Application Modes Check Weighing, Display Holding, Parts Counting, Percentage Weighing, Totaling, Weighing, Power Unit 0.25A, 100 to 240V AC, 50/60 Hz, Scale Connection Ports Ethernet, RS-232, USB Ports Scout SPX Series provides portable balance and features easy-to-use button for operation. Has mechanical and software protection against shock and overload. Operates on AC adapter (included) or 4 AA batteries (not included) with auto-shutoff.