Description: Precise counting. The automatic reference optimization gradually improves the average value of the piece weighing Very easy to use thanks to brief operating instruction on key pad. Languages D, GB, F, I, E, NL Revolving switch to select reference quantity 1, 2, 5, 10, 20, 50, 100 pieces Battery operation possible. Battery size C (6 x 1,5 V), operating time approx. 40 h 3 displays: Weight, reference weight, number of pieces