Kitchen Postal Scale Standard Function 1.Equipped with a high precision strain gauge sensor system. 2.LCD display. 3.Tare function. 4.Auto Zero resettingpower off. 5.Mode function(goz). 6.Over-load “EEEE”Low battery indicator. 7.Compact electronic scale. 8.Auto shut off. 9.Outside calibration . 10.Auto zero tracking(optional). 11.Counting function (optional). 12.Low battery indication. 13.Automatically lock the reading when data is stable. 14.Low power consumption, powered by two AAA batteries.