Product details:

Model No.: FLS-EC009 

.3-digital voltage display (Red/Blue/Orange)     

.12 blue LED indicator lights                                

.Spray-paint/chrome-plated finish

.Electronic polarity protection circuit,automatically alarms When the 

polarity is reversed and the voltmeter will display low voltage                                                           

.Over-voltage protection circuit,automatically alarms when the voltage is too high or low                                 

.Working temperature:-40 to 105 degrees centigrade
.Mounting brackets&hardware included
.Extreme Low E.S.R.:less than 0.0015ohm
.Size:76×220mm
.Working Voltage:10V-17.5V
.Surge Voltage:24V
.Max Capacity:8.0F