... ,crane scale. 2,manufacturer. 3,long battery life. 4,dyna link. engine dyno dynamometer1,crane scale.2,manufacturer.3,long battery ... life.4,dyna link.Standard Features:Rugged construction. Accuracy: 0 ... ACCUMULATE”,”HOLD”,”Unit Change”,”Voltage Check” and “Power OFF” 4 local mechanical keys:”ON/OFF”,”ZERO”,”PEAK” and ”Unit Change ...