.3-digital voltage display (Red/Blue/Orange)
.Sandblast finish                                       
.Electronic polarity protection circuit,automatically alarms When the polarity is reversed and the voltmeter will display low voltage
.Over-voltage protection circuit                                                            
.Working temperature:-40 to 105 degrees centigrade                                
.Unique scallops style mounting brackets&hardware included
.Extreme Low E.S.R.:less than 0.0015ohm
.Size:76×220mm
.Working Voltage:10V-20V
.Surge Voltage:24V