Product details:

Model No.: FLS-EC012 

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

.12 Blue LED Flash 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 

.Working Voltage:10V-17.5V

.Surge Voltage:24V

.Max Capacity:8.0F