Tips:Batteries are Not Included TANBURO Digital Kitchen Scales Fine Scales Stainless Steel 1-10000g Household Scales Question 1: Why does the scale show the number of grams when there is nothing on it? Answer 1: When you receive it, please tear off the blue film on the surface, place it on a flat place, and then put a weight of more than 50g on the electronic scale. If you remove it again, it will reset to 0g. If it is still not accurate when laid flat, please see question 3. Question 2: Why does the displayed display keep jumping? .