SF‎-2012 is an ultra slim digital kitchen scale with sleek stainless steel weighing surface‎.‎ Weight readouts are displayed in four different modes‎:‎ grams‎(‎g‎)‎/ounces‎(‎oz‎)‎/pounds & ounces‎(‎lb‎:‎oz‎)‎/milliliter‎(‎ml‎)‎‎.‎ An automatic tare button quickly calculates the net weight of ingredients by subtracting the weight of the container in which the ingredients are placed‎.‎ This is helpful for measuring ingredients that need to be contained in a bowl or on a plate‎.‎ A convenient water volume measurement function is also featured‎.‎ Volume readouts are displayed in milliliter‎(‎ml‎)‎‎.‎ With its 1g ‎(‎0.05oz‎)‎ accuracy‎,‎ SF‎-2012 is accurate enough as a postal scale for weighing letters and small packages up to 11 lbs ‎(‎5kg‎)‎‎.‎ This item operates with two AAA batteries‎.‎