Hook the scales 20kg/10g high sensitivity Battery: 7 cell, LCD Packing: color carton packaging electronic call function: under voltage automatic shutdown, automatic zero tracking, keyboard calibration, zeroing, peeled, accumulated maintain overload alarm . Cumulative frequency and amount of function. With single heavy automatic the average quantitative alert function. With zero tracking, the whole paragraph peeled pre-peeled function. With automatic correction, double overload protection function.