Maximum capacity: 300kg and 150kg Measurement division: 100g Highly Precision Strain Gauge Technology Rapid amount computing Green backlight LCD display Tare/zero/add-up/total display/clear total Dual-display to show weight, unit, amount Framework structure with pressure limit-protection Overloaded and low voltage indication AC-DC dual-use, built-in rechargeable battery Long lasting power can be used up to 120 hours Automatic standby mode if no operation in 10 seconds Four configuration memory units Automatic temperature compensation External DC power: working voltage: 6V ±10% Working current: 500mA External AC charging voltage: 110 to 220V.