electronic scale for supermarket 1) Multi-functional scale 2) High precision strain gauge technology 3)Charge funtion electronic scale for supermarket Features1,Display,Weight,Unit Price,Total amount.2,Weight,Count,Tare,Zero,Total Clear.3,High precision gauge loadcell,overweight warning4,Water-proof button.5,Automatic powersaving and long standby time.6,Anti cockroach design. ...