16 selectable weighing units including g ib oz ct impact resistant abs case with adjustable feet splash proof membrane keypad incorporating 6 function keys 34mm hi contrast front lcd display and 23mm hi contrast ear lcd display both with backlight zero tracking ensures stable and repeatable readings tare facility over the full range and can be actioned several times throughout a weighing cycle plusminus weighing parts counting from 10 20 50 or 100 sample pieces overload warning dis