ID indicates British pound, 1 pound (lb) = 0.45359237 kg (kg)
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Electronic scale is based on the change of current and voltage to calculate the weight, electronic scale tray under the pressure sensitive chip, people stand up, the resistance of the pressure sensitive chip will change with the weight, when the current is stable, the electronic scale will show the calculated weight of your. Because it is calculated by the program, it is normal to have some difference from the actual weight.