... 1,dynamometer 2,wireless tool offer 3,low batter 4,manufacturer engine dyno dynamometer 1,dynamometer2,wireless tool offer3,low batter4,manufacturerStandard ... ”,“PEAK”,”ACCUMULATE”,”HOLD”,”Unit Change”,”Voltage Check” and “Power OFF” 4 local mechanical keys:”ON/OFF”,”ZERO”,”PEAK” and ”Unit Change ... fuctions and units clearly display on the LCD (with backlighting) engine dyno dynamometer