... scale. 2,manufacturer. 3,dynamometer. 4,portable scale. tension link1,crane scale.2,manufacturer.3,dynamometer.4,portable scale. ... function operation: TareZeroAuto zero trackingTotalHold; Overload warning, operation through remote controller functions.User-friendly design: Cast aluminium housing and aluminium front ... with low battery indication; Automatic switch-offpower-saving function. tension link