... batter 4,manufacturer engine dyno dynamometer 1,dynamometer2,wireless tool offer3,low batter4,manufacturerStandard Features:Rugged construction. Accuracy ... “ZERO”, ”TARE”,”CLEAR”,“PEAK”,”ACCUMULATE”,”HOLD”,”Unit Change”,”Voltage Check” and “Power OFF” 4 local mechanical keys:”ON/OFF ... ”,”ZERO”,”PEAK” and ”Unit Change”. Accurcy0.05% of capacityAll fuctions and units clearly display on the LCD ...