... 01g Overload protection Firm,Fast,Reliable Digital scaleCharacteristics:1, Firm,Fast,Reliable2, Easy to carry, is able to use battery-operated3, ... outside calibration, touch a button, you can use weights to realize the outside calibration automatically.6, Overload protection and ... left and right buttons to meet the different usage.9, Tactile feedback buttons, to ensure accurate and effective operation ...